64116440

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{37277}}^1$

素因数の和:37331

約数の個数: 32

約数和(自身を含む): 147620880

約数和(自身を除く): 83504440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 37277, 74554, 149108, 186385, 298216, 372770, 745540, 1491080, 1602911, 3205822, 6411644, 8014555, 12823288, 16029110, 32058220, 64116440]

約数ペア:

[(1, 64116440), (2, 32058220), (4, 16029110), (5, 12823288), (8, 8014555), (10, 6411644), (20, 3205822), (40, 1602911), (43, 1491080), (86, 745540), (172, 372770), (215, 298216), (344, 186385), (430, 149108), (860, 74554), (1720, 37277)]