13815391640

素因数分解:

$2^3\times 5^1\times {\mathrm{631}}^1\times {\mathrm{547361}}^1$

素因数の和:548003

約数の個数: 32

約数和(自身を含む): 31133950560

約数和(自身を除く): 17318558920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 631, 1262, 2524, 3155, 5048, 6310, 12620, 25240, 547361, 1094722, 2189444, 2736805, 4378888, 5473610, 10947220, 21894440, 345384791, 690769582, 1381539164, 1726923955, 2763078328, 3453847910, 6907695820, 13815391640]

約数ペア:

[(1, 13815391640), (2, 6907695820), (4, 3453847910), (5, 2763078328), (8, 1726923955), (10, 1381539164), (20, 690769582), (40, 345384791), (631, 21894440), (1262, 10947220), (2524, 5473610), (3155, 4378888), (5048, 2736805), (6310, 2189444), (12620, 1094722), (25240, 547361)]