40359790

素因数分解:

$2^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{30809}}^1$

素因数の和:30947

約数の個数: 16

約数和(自身を含む): 73204560

約数和(自身を除く): 32844770

約数列:

[1, 2, 5, 10, 131, 262, 655, 1310, 30809, 61618, 154045, 308090, 4035979, 8071958, 20179895, 40359790]

約数ペア:

[(1, 40359790), (2, 20179895), (5, 8071958), (10, 4035979), (131, 308090), (262, 154045), (655, 61618), (1310, 30809)]