13087640

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^2\times {\mathrm{239}}^1$

素因数の和:324

約数の個数: 48

約数和(自身を含む): 30391200

約数和(自身を除く): 17303560

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 239, 296, 370, 478, 740, 956, 1195, 1369, 1480, 1912, 2390, 2738, 4780, 5476, 6845, 8843, 9560, 10952, 13690, 17686, 27380, 35372, 44215, 54760, 70744, 88430, 176860, 327191, 353720, 654382, 1308764, 1635955, 2617528, 3271910, 6543820, 13087640]

約数ペア:

[(1, 13087640), (2, 6543820), (4, 3271910), (5, 2617528), (8, 1635955), (10, 1308764), (20, 654382), (37, 353720), (40, 327191), (74, 176860), (148, 88430), (185, 70744), (239, 54760), (296, 44215), (370, 35372), (478, 27380), (740, 17686), (956, 13690), (1195, 10952), (1369, 9560), (1480, 8843), (1912, 6845), (2390, 5476), (2738, 4780)]