25664080

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{24677}}^1$

素因数の和:24703

約数の個数: 40

約数和(自身を含む): 64261512

約数和(自身を除く): 38597432

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 24677, 49354, 98708, 123385, 197416, 246770, 320801, 394832, 493540, 641602, 987080, 1283204, 1604005, 1974160, 2566408, 3208010, 5132816, 6416020, 12832040, 25664080]

約数ペア:

[(1, 25664080), (2, 12832040), (4, 6416020), (5, 5132816), (8, 3208010), (10, 2566408), (13, 1974160), (16, 1604005), (20, 1283204), (26, 987080), (40, 641602), (52, 493540), (65, 394832), (80, 320801), (104, 246770), (130, 197416), (208, 123385), (260, 98708), (520, 49354), (1040, 24677)]