39892660

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^2\times {\mathrm{47}}^1$

素因数の和:161

約数の個数: 72

約数和(自身を含む): 90768384

約数和(自身を除く): 50875724

約数列:

[1, 2, 4, 5, 10, 20, 31, 37, 47, 62, 74, 94, 124, 148, 155, 185, 188, 235, 310, 370, 470, 620, 740, 940, 1147, 1369, 1457, 1739, 2294, 2738, 2914, 3478, 4588, 5476, 5735, 5828, 6845, 6956, 7285, 8695, 11470, 13690, 14570, 17390, 22940, 27380, 29140, 34780, 42439, 53909, 64343, 84878, 107818, 128686, 169756, 212195, 215636, 257372, 269545, 321715, 424390, 539090, 643430, 848780, 1078180, 1286860, 1994633, 3989266, 7978532, 9973165, 19946330, 39892660]

約数ペア:

[(1, 39892660), (2, 19946330), (4, 9973165), (5, 7978532), (10, 3989266), (20, 1994633), (31, 1286860), (37, 1078180), (47, 848780), (62, 643430), (74, 539090), (94, 424390), (124, 321715), (148, 269545), (155, 257372), (185, 215636), (188, 212195), (235, 169756), (310, 128686), (370, 107818), (470, 84878), (620, 64343), (740, 53909), (940, 42439), (1147, 34780), (1369, 29140), (1457, 27380), (1739, 22940), (2294, 17390), (2738, 14570), (2914, 13690), (3478, 11470), (4588, 8695), (5476, 7285), (5735, 6956), (5828, 6845)]