13578040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{683}}^1$

素因数の和:772

約数の個数: 64

約数和(自身を含む): 35458560

約数和(自身を除く): 21880520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 71, 140, 142, 280, 284, 355, 497, 568, 683, 710, 994, 1366, 1420, 1988, 2485, 2732, 2840, 3415, 3976, 4781, 4970, 5464, 6830, 9562, 9940, 13660, 19124, 19880, 23905, 27320, 38248, 47810, 48493, 95620, 96986, 191240, 193972, 242465, 339451, 387944, 484930, 678902, 969860, 1357804, 1697255, 1939720, 2715608, 3394510, 6789020, 13578040]

約数ペア:

[(1, 13578040), (2, 6789020), (4, 3394510), (5, 2715608), (7, 1939720), (8, 1697255), (10, 1357804), (14, 969860), (20, 678902), (28, 484930), (35, 387944), (40, 339451), (56, 242465), (70, 193972), (71, 191240), (140, 96986), (142, 95620), (280, 48493), (284, 47810), (355, 38248), (497, 27320), (568, 23905), (683, 19880), (710, 19124), (994, 13660), (1366, 9940), (1420, 9562), (1988, 6830), (2485, 5464), (2732, 4970), (2840, 4781), (3415, 3976)]