40947980

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{15629}}^1$

素因数の和:15769

約数の個数: 24

約数和(自身を含む): 86652720

約数和(自身を除く): 45704740

約数列:

[1, 2, 4, 5, 10, 20, 131, 262, 524, 655, 1310, 2620, 15629, 31258, 62516, 78145, 156290, 312580, 2047399, 4094798, 8189596, 10236995, 20473990, 40947980]

約数ペア:

[(1, 40947980), (2, 20473990), (4, 10236995), (5, 8189596), (10, 4094798), (20, 2047399), (131, 312580), (262, 156290), (524, 78145), (655, 62516), (1310, 31258), (2620, 15629)]