1284804560

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1235389}}^1$

素因数の和:1235415

約数の個数: 40

約数和(自身を含む): 3216955560

約数和(自身を除く): 1932151000

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 1235389, 2470778, 4941556, 6176945, 9883112, 12353890, 16060057, 19766224, 24707780, 32120114, 49415560, 64240228, 80300285, 98831120, 128480456, 160600570, 256960912, 321201140, 642402280, 1284804560]

約数ペア:

[(1, 1284804560), (2, 642402280), (4, 321201140), (5, 256960912), (8, 160600570), (10, 128480456), (13, 98831120), (16, 80300285), (20, 64240228), (26, 49415560), (40, 32120114), (52, 24707780), (65, 19766224), (80, 16060057), (104, 12353890), (130, 9883112), (208, 6176945), (260, 4941556), (520, 2470778), (1040, 1235389)]