57275320

素因数分解:

$2^3\times 5^1\times {\mathrm{223}}^1\times {\mathrm{6421}}^1$

素因数の和:6655

約数の個数: 32

約数和(自身を含む): 129467520

約数和(自身を除く): 72192200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 223, 446, 892, 1115, 1784, 2230, 4460, 6421, 8920, 12842, 25684, 32105, 51368, 64210, 128420, 256840, 1431883, 2863766, 5727532, 7159415, 11455064, 14318830, 28637660, 57275320]

約数ペア:

[(1, 57275320), (2, 28637660), (4, 14318830), (5, 11455064), (8, 7159415), (10, 5727532), (20, 2863766), (40, 1431883), (223, 256840), (446, 128420), (892, 64210), (1115, 51368), (1784, 32105), (2230, 25684), (4460, 12842), (6421, 8920)]