39859640

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{107}}^1\times {\mathrm{139}}^1$

素因数の和:324

約数の個数: 64

約数和(自身を含む): 92534400

約数和(自身を除く): 52674760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67, 107, 134, 139, 214, 268, 278, 335, 428, 535, 536, 556, 670, 695, 856, 1070, 1112, 1340, 1390, 2140, 2680, 2780, 4280, 5560, 7169, 9313, 14338, 14873, 18626, 28676, 29746, 35845, 37252, 46565, 57352, 59492, 71690, 74365, 74504, 93130, 118984, 143380, 148730, 186260, 286760, 297460, 372520, 594920, 996491, 1992982, 3985964, 4982455, 7971928, 9964910, 19929820, 39859640]

約数ペア:

[(1, 39859640), (2, 19929820), (4, 9964910), (5, 7971928), (8, 4982455), (10, 3985964), (20, 1992982), (40, 996491), (67, 594920), (107, 372520), (134, 297460), (139, 286760), (214, 186260), (268, 148730), (278, 143380), (335, 118984), (428, 93130), (535, 74504), (536, 74365), (556, 71690), (670, 59492), (695, 57352), (856, 46565), (1070, 37252), (1112, 35845), (1340, 29746), (1390, 28676), (2140, 18626), (2680, 14873), (2780, 14338), (4280, 9313), (5560, 7169)]