39627920

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^2\times {\mathrm{31}}^1$

素因数の和:121

約数の個数: 120

約数和(自身を含む): 103683840

約数和(自身を除く): 64055920

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 29, 31, 38, 40, 58, 62, 76, 80, 95, 116, 124, 145, 152, 155, 190, 232, 248, 290, 304, 310, 380, 464, 496, 551, 580, 589, 620, 760, 841, 899, 1102, 1160, 1178, 1240, 1520, 1682, 1798, 2204, 2320, 2356, 2480, 2755, 2945, 3364, 3596, 4205, 4408, 4495, 4712, 5510, 5890, 6728, 7192, 8410, 8816, 8990, 9424, 11020, 11780, 13456, 14384, 15979, 16820, 17081, 17980, 22040, 23560, 26071, 31958, 33640, 34162, 35960, 44080, 47120, 52142, 63916, 67280, 68324, 71920, 79895, 85405, 104284, 127832, 130355, 136648, 159790, 170810, 208568, 255664, 260710, 273296, 319580, 341620, 417136, 495349, 521420, 639160, 683240, 990698, 1042840, 1278320, 1366480, 1981396, 2085680, 2476745, 3962792, 4953490, 7925584, 9906980, 19813960, 39627920]

約数ペア:

[(1, 39627920), (2, 19813960), (4, 9906980), (5, 7925584), (8, 4953490), (10, 3962792), (16, 2476745), (19, 2085680), (20, 1981396), (29, 1366480), (31, 1278320), (38, 1042840), (40, 990698), (58, 683240), (62, 639160), (76, 521420), (80, 495349), (95, 417136), (116, 341620), (124, 319580), (145, 273296), (152, 260710), (155, 255664), (190, 208568), (232, 170810), (248, 159790), (290, 136648), (304, 130355), (310, 127832), (380, 104284), (464, 85405), (496, 79895), (551, 71920), (580, 68324), (589, 67280), (620, 63916), (760, 52142), (841, 47120), (899, 44080), (1102, 35960), (1160, 34162), (1178, 33640), (1240, 31958), (1520, 26071), (1682, 23560), (1798, 22040), (2204, 17980), (2320, 17081), (2356, 16820), (2480, 15979), (2755, 14384), (2945, 13456), (3364, 11780), (3596, 11020), (4205, 9424), (4408, 8990), (4495, 8816), (4712, 8410), (5510, 7192), (5890, 6728)]