8167640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{139}}^1$

素因数の和:276

約数の個数: 64

約数和(自身を含む): 20109600

約数和(自身を除く): 11941960

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 113, 130, 139, 226, 260, 278, 452, 520, 556, 565, 695, 904, 1112, 1130, 1390, 1469, 1807, 2260, 2780, 2938, 3614, 4520, 5560, 5876, 7228, 7345, 9035, 11752, 14456, 14690, 15707, 18070, 29380, 31414, 36140, 58760, 62828, 72280, 78535, 125656, 157070, 204191, 314140, 408382, 628280, 816764, 1020955, 1633528, 2041910, 4083820, 8167640]

約数ペア:

[(1, 8167640), (2, 4083820), (4, 2041910), (5, 1633528), (8, 1020955), (10, 816764), (13, 628280), (20, 408382), (26, 314140), (40, 204191), (52, 157070), (65, 125656), (104, 78535), (113, 72280), (130, 62828), (139, 58760), (226, 36140), (260, 31414), (278, 29380), (452, 18070), (520, 15707), (556, 14690), (565, 14456), (695, 11752), (904, 9035), (1112, 7345), (1130, 7228), (1390, 5876), (1469, 5560), (1807, 4520), (2260, 3614), (2780, 2938)]