2784080

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2677}}^1$

素因数の和:2703

約数の個数: 40

約数和(自身を含む): 6973512

約数和(自身を除く): 4189432

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 2677, 5354, 10708, 13385, 21416, 26770, 34801, 42832, 53540, 69602, 107080, 139204, 174005, 214160, 278408, 348010, 556816, 696020, 1392040, 2784080]

約数ペア:

[(1, 2784080), (2, 1392040), (4, 696020), (5, 556816), (8, 348010), (10, 278408), (13, 214160), (16, 174005), (20, 139204), (26, 107080), (40, 69602), (52, 53540), (65, 42832), (80, 34801), (104, 26770), (130, 21416), (208, 13385), (260, 10708), (520, 5354), (1040, 2677)]