25315840

素因数分解:

$2^9\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1$

素因数の和:94

約数の個数: 160

約数和(自身を含む): 70709760

約数和(自身を除く): 45393920

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 29, 31, 32, 40, 44, 55, 58, 62, 64, 80, 88, 110, 116, 124, 128, 145, 155, 160, 176, 220, 232, 248, 256, 290, 310, 319, 320, 341, 352, 440, 464, 496, 512, 580, 620, 638, 640, 682, 704, 880, 899, 928, 992, 1160, 1240, 1276, 1280, 1364, 1408, 1595, 1705, 1760, 1798, 1856, 1984, 2320, 2480, 2552, 2560, 2728, 2816, 3190, 3410, 3520, 3596, 3712, 3968, 4495, 4640, 4960, 5104, 5456, 5632, 6380, 6820, 7040, 7192, 7424, 7936, 8990, 9280, 9889, 9920, 10208, 10912, 12760, 13640, 14080, 14384, 14848, 15872, 17980, 18560, 19778, 19840, 20416, 21824, 25520, 27280, 28160, 28768, 35960, 37120, 39556, 39680, 40832, 43648, 49445, 51040, 54560, 57536, 71920, 74240, 79112, 79360, 81664, 87296, 98890, 102080, 109120, 115072, 143840, 158224, 163328, 174592, 197780, 204160, 218240, 230144, 287680, 316448, 395560, 408320, 436480, 460288, 575360, 632896, 791120, 816640, 872960, 1150720, 1265792, 1582240, 2301440, 2531584, 3164480, 5063168, 6328960, 12657920, 25315840]

約数ペア:

[(1, 25315840), (2, 12657920), (4, 6328960), (5, 5063168), (8, 3164480), (10, 2531584), (11, 2301440), (16, 1582240), (20, 1265792), (22, 1150720), (29, 872960), (31, 816640), (32, 791120), (40, 632896), (44, 575360), (55, 460288), (58, 436480), (62, 408320), (64, 395560), (80, 316448), (88, 287680), (110, 230144), (116, 218240), (124, 204160), (128, 197780), (145, 174592), (155, 163328), (160, 158224), (176, 143840), (220, 115072), (232, 109120), (248, 102080), (256, 98890), (290, 87296), (310, 81664), (319, 79360), (320, 79112), (341, 74240), (352, 71920), (440, 57536), (464, 54560), (496, 51040), (512, 49445), (580, 43648), (620, 40832), (638, 39680), (640, 39556), (682, 37120), (704, 35960), (880, 28768), (899, 28160), (928, 27280), (992, 25520), (1160, 21824), (1240, 20416), (1276, 19840), (1280, 19778), (1364, 18560), (1408, 17980), (1595, 15872), (1705, 14848), (1760, 14384), (1798, 14080), (1856, 13640), (1984, 12760), (2320, 10912), (2480, 10208), (2552, 9920), (2560, 9889), (2728, 9280), (2816, 8990), (3190, 7936), (3410, 7424), (3520, 7192), (3596, 7040), (3712, 6820), (3968, 6380), (4495, 5632), (4640, 5456), (4960, 5104)]