105137980

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{40129}}^1$

素因数の和:40269

約数の個数: 24

約数和(自身を含む): 222480720

約数和(自身を除く): 117342740

約数列:

[1, 2, 4, 5, 10, 20, 131, 262, 524, 655, 1310, 2620, 40129, 80258, 160516, 200645, 401290, 802580, 5256899, 10513798, 21027596, 26284495, 52568990, 105137980]

約数ペア:

[(1, 105137980), (2, 52568990), (4, 26284495), (5, 21027596), (10, 10513798), (20, 5256899), (131, 802580), (262, 401290), (524, 200645), (655, 160516), (1310, 80258), (2620, 40129)]