42478840

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{24697}}^1$

素因数の和:24751

約数の個数: 32

約数和(自身を含む): 97804080

約数和(自身を除く): 55325240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 24697, 49394, 98788, 123485, 197576, 246970, 493940, 987880, 1061971, 2123942, 4247884, 5309855, 8495768, 10619710, 21239420, 42478840]

約数ペア:

[(1, 42478840), (2, 21239420), (4, 10619710), (5, 8495768), (8, 5309855), (10, 4247884), (20, 2123942), (40, 1061971), (43, 987880), (86, 493940), (172, 246970), (215, 197576), (344, 123485), (430, 98788), (860, 49394), (1720, 24697)]