72435140

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{27647}}^1$

素因数の和:27787

約数の個数: 24

約数和(自身を含む): 153280512

約数和(自身を除く): 80845372

約数列:

[1, 2, 4, 5, 10, 20, 131, 262, 524, 655, 1310, 2620, 27647, 55294, 110588, 138235, 276470, 552940, 3621757, 7243514, 14487028, 18108785, 36217570, 72435140]

約数ペア:

[(1, 72435140), (2, 36217570), (4, 18108785), (5, 14487028), (10, 7243514), (20, 3621757), (131, 552940), (262, 276470), (524, 138235), (655, 110588), (1310, 55294), (2620, 27647)]