74698520

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{143651}}^1$

素因数の和:143675

約数の個数: 32

約数和(自身を含む): 181001520

約数和(自身を除く): 106303000

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 143651, 287302, 574604, 718255, 1149208, 1436510, 1867463, 2873020, 3734926, 5746040, 7469852, 9337315, 14939704, 18674630, 37349260, 74698520]

約数ペア:

[(1, 74698520), (2, 37349260), (4, 18674630), (5, 14939704), (8, 9337315), (10, 7469852), (13, 5746040), (20, 3734926), (26, 2873020), (40, 1867463), (52, 1436510), (65, 1149208), (104, 718255), (130, 574604), (260, 287302), (520, 143651)]