72513820

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{49667}}^1$

素因数の和:49749

約数の個数: 24

約数和(自身を含む): 154368144

約数和(自身を除く): 81854324

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 292, 365, 730, 1460, 49667, 99334, 198668, 248335, 496670, 993340, 3625691, 7251382, 14502764, 18128455, 36256910, 72513820]

約数ペア:

[(1, 72513820), (2, 36256910), (4, 18128455), (5, 14502764), (10, 7251382), (20, 3625691), (73, 993340), (146, 496670), (292, 248335), (365, 198668), (730, 99334), (1460, 49667)]