1286707960

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{1109231}}^1$

素因数の和:1109271

約数の個数: 32

約数和(自身を含む): 2994926400

約数和(自身を除く): 1708218440

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 580, 1160, 1109231, 2218462, 4436924, 5546155, 8873848, 11092310, 22184620, 32167699, 44369240, 64335398, 128670796, 160838495, 257341592, 321676990, 643353980, 1286707960]

約数ペア:

[(1, 1286707960), (2, 643353980), (4, 321676990), (5, 257341592), (8, 160838495), (10, 128670796), (20, 64335398), (29, 44369240), (40, 32167699), (58, 22184620), (116, 11092310), (145, 8873848), (232, 5546155), (290, 4436924), (580, 2218462), (1160, 1109231)]