31255640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{60107}}^1$

素因数の和:60131

約数の個数: 32

約数和(自身を含む): 75736080

約数和(自身を除く): 44480440

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 60107, 120214, 240428, 300535, 480856, 601070, 781391, 1202140, 1562782, 2404280, 3125564, 3906955, 6251128, 7813910, 15627820, 31255640]

約数ペア:

[(1, 31255640), (2, 15627820), (4, 7813910), (5, 6251128), (8, 3906955), (10, 3125564), (13, 2404280), (20, 1562782), (26, 1202140), (40, 781391), (52, 601070), (65, 480856), (104, 300535), (130, 240428), (260, 120214), (520, 60107)]