68983280

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{50723}}^1$

素因数の和:50753

約数の個数: 40

約数和(自身を含む): 169823952

約数和(自身を除く): 100840672

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 50723, 101446, 202892, 253615, 405784, 507230, 811568, 862291, 1014460, 1724582, 2028920, 3449164, 4057840, 4311455, 6898328, 8622910, 13796656, 17245820, 34491640, 68983280]

約数ペア:

[(1, 68983280), (2, 34491640), (4, 17245820), (5, 13796656), (8, 8622910), (10, 6898328), (16, 4311455), (17, 4057840), (20, 3449164), (34, 2028920), (40, 1724582), (68, 1014460), (80, 862291), (85, 811568), (136, 507230), (170, 405784), (272, 253615), (340, 202892), (680, 101446), (1360, 50723)]