72125980

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{27529}}^1$

素因数の和:27669

約数の個数: 24

約数和(自身を含む): 152626320

約数和(自身を除く): 80500340

約数列:

[1, 2, 4, 5, 10, 20, 131, 262, 524, 655, 1310, 2620, 27529, 55058, 110116, 137645, 275290, 550580, 3606299, 7212598, 14425196, 18031495, 36062990, 72125980]

約数ペア:

[(1, 72125980), (2, 36062990), (4, 18031495), (5, 14425196), (10, 7212598), (20, 3606299), (131, 550580), (262, 275290), (524, 137645), (655, 110116), (1310, 55058), (2620, 27529)]