2013774520

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{565667}}^1$

素因数の和:565767

約数の個数: 32

約数和(自身を含む): 4581910800

約数和(自身を除く): 2568136280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 445, 712, 890, 1780, 3560, 565667, 1131334, 2262668, 2828335, 4525336, 5656670, 11313340, 22626680, 50344363, 100688726, 201377452, 251721815, 402754904, 503443630, 1006887260, 2013774520]

約数ペア:

[(1, 2013774520), (2, 1006887260), (4, 503443630), (5, 402754904), (8, 251721815), (10, 201377452), (20, 100688726), (40, 50344363), (89, 22626680), (178, 11313340), (356, 5656670), (445, 4525336), (712, 2828335), (890, 2262668), (1780, 1131334), (3560, 565667)]