2788973960

素因数分解:

$2^3\times 5^1\times {\mathrm{69724349}}^1$

素因数の和:69724360

約数の個数: 16

約数和(自身を含む): 6275191500

約数和(自身を除く): 3486217540

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 69724349, 139448698, 278897396, 348621745, 557794792, 697243490, 1394486980, 2788973960]

約数ペア:

[(1, 2788973960), (2, 1394486980), (4, 697243490), (5, 557794792), (8, 348621745), (10, 278897396), (20, 139448698), (40, 69724349)]