68634820

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{83701}}^1$

素因数の和:83751

約数の個数: 24

約数和(自身を含む): 147650328

約数和(自身を除く): 79015508

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 83701, 167402, 334804, 418505, 837010, 1674020, 3431741, 6863482, 13726964, 17158705, 34317410, 68634820]

約数ペア:

[(1, 68634820), (2, 34317410), (4, 17158705), (5, 13726964), (10, 6863482), (20, 3431741), (41, 1674020), (82, 837010), (164, 418505), (205, 334804), (410, 167402), (820, 83701)]