7786040

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{3191}}^1$

素因数の和:3263

約数の個数: 32

約数和(自身を含む): 17811360

約数和(自身を除く): 10025320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 3191, 6382, 12764, 15955, 25528, 31910, 63820, 127640, 194651, 389302, 778604, 973255, 1557208, 1946510, 3893020, 7786040]

約数ペア:

[(1, 7786040), (2, 3893020), (4, 1946510), (5, 1557208), (8, 973255), (10, 778604), (20, 389302), (40, 194651), (61, 127640), (122, 63820), (244, 31910), (305, 25528), (488, 15955), (610, 12764), (1220, 6382), (2440, 3191)]