1335996880

素因数分解:

$2^4\times 5^1\times {\mathrm{821}}^1\times {\mathrm{20341}}^1$

素因数の和:21175

約数の個数: 40

約数和(自身を含む): 3110129064

約数和(自身を除く): 1774132184

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 821, 1642, 3284, 4105, 6568, 8210, 13136, 16420, 20341, 32840, 40682, 65680, 81364, 101705, 162728, 203410, 325456, 406820, 813640, 1627280, 16699961, 33399922, 66799844, 83499805, 133599688, 166999610, 267199376, 333999220, 667998440, 1335996880]

約数ペア:

[(1, 1335996880), (2, 667998440), (4, 333999220), (5, 267199376), (8, 166999610), (10, 133599688), (16, 83499805), (20, 66799844), (40, 33399922), (80, 16699961), (821, 1627280), (1642, 813640), (3284, 406820), (4105, 325456), (6568, 203410), (8210, 162728), (13136, 101705), (16420, 81364), (20341, 65680), (32840, 40682)]