42111320

素因数分解:

$2^3\times 5^1\times {\mathrm{223}}^1\times {\mathrm{4721}}^1$

素因数の和:4955

約数の個数: 32

約数和(自身を含む): 95195520

約数和(自身を除く): 53084200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 223, 446, 892, 1115, 1784, 2230, 4460, 4721, 8920, 9442, 18884, 23605, 37768, 47210, 94420, 188840, 1052783, 2105566, 4211132, 5263915, 8422264, 10527830, 21055660, 42111320]

約数ペア:

[(1, 42111320), (2, 21055660), (4, 10527830), (5, 8422264), (8, 5263915), (10, 4211132), (20, 2105566), (40, 1052783), (223, 188840), (446, 94420), (892, 47210), (1115, 37768), (1784, 23605), (2230, 18884), (4460, 9442), (4721, 8920)]