1640572420

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{113}}^1\times {\mathrm{42701}}^1$

素因数の和:42840

約数の個数: 48

約数和(自身を含む): 3680229168

約数和(自身を除く): 2039656748

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 113, 170, 226, 340, 452, 565, 1130, 1921, 2260, 3842, 7684, 9605, 19210, 38420, 42701, 85402, 170804, 213505, 427010, 725917, 854020, 1451834, 2903668, 3629585, 4825213, 7259170, 9650426, 14518340, 19300852, 24126065, 48252130, 82028621, 96504260, 164057242, 328114484, 410143105, 820286210, 1640572420]

約数ペア:

[(1, 1640572420), (2, 820286210), (4, 410143105), (5, 328114484), (10, 164057242), (17, 96504260), (20, 82028621), (34, 48252130), (68, 24126065), (85, 19300852), (113, 14518340), (170, 9650426), (226, 7259170), (340, 4825213), (452, 3629585), (565, 2903668), (1130, 1451834), (1921, 854020), (2260, 725917), (3842, 427010), (7684, 213505), (9605, 170804), (19210, 85402), (38420, 42701)]