8708607520

素因数分解:

$2^5\times 5^1\times {\mathrm{131}}^1\times {\mathrm{163}}^1\times {\mathrm{2549}}^1$

素因数の和:2858

約数の個数: 96

約数和(自身を含む): 20866507200

約数和(自身を除く): 12157899680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 131, 160, 163, 262, 326, 524, 652, 655, 815, 1048, 1304, 1310, 1630, 2096, 2549, 2608, 2620, 3260, 4192, 5098, 5216, 5240, 6520, 10196, 10480, 12745, 13040, 20392, 20960, 21353, 25490, 26080, 40784, 42706, 50980, 81568, 85412, 101960, 106765, 170824, 203920, 213530, 333919, 341648, 407840, 415487, 427060, 667838, 683296, 830974, 854120, 1335676, 1661948, 1669595, 1708240, 2077435, 2671352, 3323896, 3339190, 3416480, 4154870, 5342704, 6647792, 6678380, 8309740, 10685408, 13295584, 13356760, 16619480, 26713520, 33238960, 53427040, 54428797, 66477920, 108857594, 217715188, 272143985, 435430376, 544287970, 870860752, 1088575940, 1741721504, 2177151880, 4354303760, 8708607520]

約数ペア:

[(1, 8708607520), (2, 4354303760), (4, 2177151880), (5, 1741721504), (8, 1088575940), (10, 870860752), (16, 544287970), (20, 435430376), (32, 272143985), (40, 217715188), (80, 108857594), (131, 66477920), (160, 54428797), (163, 53427040), (262, 33238960), (326, 26713520), (524, 16619480), (652, 13356760), (655, 13295584), (815, 10685408), (1048, 8309740), (1304, 6678380), (1310, 6647792), (1630, 5342704), (2096, 4154870), (2549, 3416480), (2608, 3339190), (2620, 3323896), (3260, 2671352), (4192, 2077435), (5098, 1708240), (5216, 1669595), (5240, 1661948), (6520, 1335676), (10196, 854120), (10480, 830974), (12745, 683296), (13040, 667838), (20392, 427060), (20960, 415487), (21353, 407840), (25490, 341648), (26080, 333919), (40784, 213530), (42706, 203920), (50980, 170824), (81568, 106765), (85412, 101960)]