39931580

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{383}}^1\times {\mathrm{401}}^1$

素因数の和:806

約数の個数: 48

約数和(自身を含む): 90768384

約数和(自身を除く): 50836804

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 383, 401, 766, 802, 1532, 1604, 1915, 2005, 3830, 4010, 4979, 5213, 7660, 8020, 9958, 10426, 19916, 20852, 24895, 26065, 49790, 52130, 99580, 104260, 153583, 307166, 614332, 767915, 1535830, 1996579, 3071660, 3993158, 7986316, 9982895, 19965790, 39931580]

約数ペア:

[(1, 39931580), (2, 19965790), (4, 9982895), (5, 7986316), (10, 3993158), (13, 3071660), (20, 1996579), (26, 1535830), (52, 767915), (65, 614332), (130, 307166), (260, 153583), (383, 104260), (401, 99580), (766, 52130), (802, 49790), (1532, 26065), (1604, 24895), (1915, 20852), (2005, 19916), (3830, 10426), (4010, 9958), (4979, 8020), (5213, 7660)]