39841540

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{61}}^1\times {\mathrm{113}}^1$

素因数の和:217

約数の個数: 72

約数和(自身を含む): 91134792

約数和(自身を除く): 51293252

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 61, 68, 85, 113, 122, 170, 226, 244, 289, 305, 340, 452, 565, 578, 610, 1037, 1130, 1156, 1220, 1445, 1921, 2074, 2260, 2890, 3842, 4148, 5185, 5780, 6893, 7684, 9605, 10370, 13786, 17629, 19210, 20740, 27572, 32657, 34465, 35258, 38420, 65314, 68930, 70516, 88145, 117181, 130628, 137860, 163285, 176290, 234362, 326570, 352580, 468724, 585905, 653140, 1171810, 1992077, 2343620, 3984154, 7968308, 9960385, 19920770, 39841540]

約数ペア:

[(1, 39841540), (2, 19920770), (4, 9960385), (5, 7968308), (10, 3984154), (17, 2343620), (20, 1992077), (34, 1171810), (61, 653140), (68, 585905), (85, 468724), (113, 352580), (122, 326570), (170, 234362), (226, 176290), (244, 163285), (289, 137860), (305, 130628), (340, 117181), (452, 88145), (565, 70516), (578, 68930), (610, 65314), (1037, 38420), (1130, 35258), (1156, 34465), (1220, 32657), (1445, 27572), (1921, 20740), (2074, 19210), (2260, 17629), (2890, 13786), (3842, 10370), (4148, 9605), (5185, 7684), (5780, 6893)]