86945420

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{106031}}^1$

素因数の和:106081

約数の個数: 24

約数和(自身を含む): 187040448

約数和(自身を除く): 100095028

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 106031, 212062, 424124, 530155, 1060310, 2120620, 4347271, 8694542, 17389084, 21736355, 43472710, 86945420]

約数ペア:

[(1, 86945420), (2, 43472710), (4, 21736355), (5, 17389084), (10, 8694542), (20, 4347271), (41, 2120620), (82, 1060310), (164, 530155), (205, 424124), (410, 212062), (820, 106031)]