69680

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1$

素因数の和:93

約数の個数: 40

約数和(自身を含む): 177072

約数和(自身を除く): 107392

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 67, 80, 104, 130, 134, 208, 260, 268, 335, 520, 536, 670, 871, 1040, 1072, 1340, 1742, 2680, 3484, 4355, 5360, 6968, 8710, 13936, 17420, 34840, 69680]

約数ペア:

[(1, 69680), (2, 34840), (4, 17420), (5, 13936), (8, 8710), (10, 6968), (13, 5360), (16, 4355), (20, 3484), (26, 2680), (40, 1742), (52, 1340), (65, 1072), (67, 1040), (80, 871), (104, 670), (130, 536), (134, 520), (208, 335), (260, 268)]