72369820

素因数分解:

$2^2\times 5^1\times {\mathrm{449}}^1\times {\mathrm{8059}}^1$

素因数の和:8517

約数の個数: 24

約数和(自身を含む): 152334000

約数和(自身を除く): 79964180

約数列:

[1, 2, 4, 5, 10, 20, 449, 898, 1796, 2245, 4490, 8059, 8980, 16118, 32236, 40295, 80590, 161180, 3618491, 7236982, 14473964, 18092455, 36184910, 72369820]

約数ペア:

[(1, 72369820), (2, 36184910), (4, 18092455), (5, 14473964), (10, 7236982), (20, 3618491), (449, 161180), (898, 80590), (1796, 40295), (2245, 32236), (4490, 16118), (8059, 8980)]