41391820

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{661}}^1$

素因数の和:802

約数の個数: 48

約数和(自身を含む): 90752256

約数和(自身を除く): 49360436

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 101, 124, 155, 202, 310, 404, 505, 620, 661, 1010, 1322, 2020, 2644, 3131, 3305, 6262, 6610, 12524, 13220, 15655, 20491, 31310, 40982, 62620, 66761, 81964, 102455, 133522, 204910, 267044, 333805, 409820, 667610, 1335220, 2069591, 4139182, 8278364, 10347955, 20695910, 41391820]

約数ペア:

[(1, 41391820), (2, 20695910), (4, 10347955), (5, 8278364), (10, 4139182), (20, 2069591), (31, 1335220), (62, 667610), (101, 409820), (124, 333805), (155, 267044), (202, 204910), (310, 133522), (404, 102455), (505, 81964), (620, 66761), (661, 62620), (1010, 40982), (1322, 31310), (2020, 20491), (2644, 15655), (3131, 13220), (3305, 12524), (6262, 6610)]