24872920

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{14461}}^1$

素因数の和:14515

約数の個数: 32

約数和(自身を含む): 57269520

約数和(自身を除く): 32396600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 14461, 28922, 57844, 72305, 115688, 144610, 289220, 578440, 621823, 1243646, 2487292, 3109115, 4974584, 6218230, 12436460, 24872920]

約数ペア:

[(1, 24872920), (2, 12436460), (4, 6218230), (5, 4974584), (8, 3109115), (10, 2487292), (20, 1243646), (40, 621823), (43, 578440), (86, 289220), (172, 144610), (215, 115688), (344, 72305), (430, 57844), (860, 28922), (1720, 14461)]