27839320

素因数分解:

$2^3\times 5^1\times {\mathrm{223}}^1\times {\mathrm{3121}}^1$

素因数の和:3355

約数の個数: 32

約数和(自身を含む): 62939520

約数和(自身を除く): 35100200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 223, 446, 892, 1115, 1784, 2230, 3121, 4460, 6242, 8920, 12484, 15605, 24968, 31210, 62420, 124840, 695983, 1391966, 2783932, 3479915, 5567864, 6959830, 13919660, 27839320]

約数ペア:

[(1, 27839320), (2, 13919660), (4, 6959830), (5, 5567864), (8, 3479915), (10, 2783932), (20, 1391966), (40, 695983), (223, 124840), (446, 62420), (892, 31210), (1115, 24968), (1784, 15605), (2230, 12484), (3121, 8920), (4460, 6242)]