39501440

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{181}}^1$

素因数の和:242

約数の個数: 128

約数和(自身を含む): 106928640

約数和(自身を除く): 67427200

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 31, 32, 40, 44, 55, 62, 64, 80, 88, 110, 124, 128, 155, 160, 176, 181, 220, 248, 310, 320, 341, 352, 362, 440, 496, 620, 640, 682, 704, 724, 880, 905, 992, 1240, 1364, 1408, 1448, 1705, 1760, 1810, 1984, 1991, 2480, 2728, 2896, 3410, 3520, 3620, 3968, 3982, 4960, 5456, 5611, 5792, 6820, 7040, 7240, 7964, 9920, 9955, 10912, 11222, 11584, 13640, 14480, 15928, 19840, 19910, 21824, 22444, 23168, 27280, 28055, 28960, 31856, 39820, 43648, 44888, 54560, 56110, 57920, 61721, 63712, 79640, 89776, 109120, 112220, 115840, 123442, 127424, 159280, 179552, 218240, 224440, 246884, 254848, 308605, 318560, 359104, 448880, 493768, 617210, 637120, 718208, 897760, 987536, 1234420, 1274240, 1795520, 1975072, 2468840, 3591040, 3950144, 4937680, 7900288, 9875360, 19750720, 39501440]

約数ペア:

[(1, 39501440), (2, 19750720), (4, 9875360), (5, 7900288), (8, 4937680), (10, 3950144), (11, 3591040), (16, 2468840), (20, 1975072), (22, 1795520), (31, 1274240), (32, 1234420), (40, 987536), (44, 897760), (55, 718208), (62, 637120), (64, 617210), (80, 493768), (88, 448880), (110, 359104), (124, 318560), (128, 308605), (155, 254848), (160, 246884), (176, 224440), (181, 218240), (220, 179552), (248, 159280), (310, 127424), (320, 123442), (341, 115840), (352, 112220), (362, 109120), (440, 89776), (496, 79640), (620, 63712), (640, 61721), (682, 57920), (704, 56110), (724, 54560), (880, 44888), (905, 43648), (992, 39820), (1240, 31856), (1364, 28960), (1408, 28055), (1448, 27280), (1705, 23168), (1760, 22444), (1810, 21824), (1984, 19910), (1991, 19840), (2480, 15928), (2728, 14480), (2896, 13640), (3410, 11584), (3520, 11222), (3620, 10912), (3968, 9955), (3982, 9920), (4960, 7964), (5456, 7240), (5611, 7040), (5792, 6820)]