71328680

素因数分解:

$2^3\times 5^1\times {\mathrm{613}}^1\times {\mathrm{2909}}^1$

素因数の和:3533

約数の個数: 32

約数和(自身を含む): 160806600

約数和(自身を除く): 89477920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 613, 1226, 2452, 2909, 3065, 4904, 5818, 6130, 11636, 12260, 14545, 23272, 24520, 29090, 58180, 116360, 1783217, 3566434, 7132868, 8916085, 14265736, 17832170, 35664340, 71328680]

約数ペア:

[(1, 71328680), (2, 35664340), (4, 17832170), (5, 14265736), (8, 8916085), (10, 7132868), (20, 3566434), (40, 1783217), (613, 116360), (1226, 58180), (2452, 29090), (2909, 24520), (3065, 23272), (4904, 14545), (5818, 12260), (6130, 11636)]