9932840

素因数分解:

$2^3\times 5^1\times {\mathrm{239}}^1\times {\mathrm{1039}}^1$

素因数の和:1289

約数の個数: 32

約数和(自身を含む): 22464000

約数和(自身を除く): 12531160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 239, 478, 956, 1039, 1195, 1912, 2078, 2390, 4156, 4780, 5195, 8312, 9560, 10390, 20780, 41560, 248321, 496642, 993284, 1241605, 1986568, 2483210, 4966420, 9932840]

約数ペア:

[(1, 9932840), (2, 4966420), (4, 2483210), (5, 1986568), (8, 1241605), (10, 993284), (20, 496642), (40, 248321), (239, 41560), (478, 20780), (956, 10390), (1039, 9560), (1195, 8312), (1912, 5195), (2078, 4780), (2390, 4156)]