87397960

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{1283}}^1$

素因数の和:1438

約数の個数: 64

約数和(自身を含む): 213554880

約数和(自身を除く): 126156920

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 131, 260, 262, 520, 524, 655, 1048, 1283, 1310, 1703, 2566, 2620, 3406, 5132, 5240, 6415, 6812, 8515, 10264, 12830, 13624, 16679, 17030, 25660, 33358, 34060, 51320, 66716, 68120, 83395, 133432, 166790, 168073, 333580, 336146, 667160, 672292, 840365, 1344584, 1680730, 2184949, 3361460, 4369898, 6722920, 8739796, 10924745, 17479592, 21849490, 43698980, 87397960]

約数ペア:

[(1, 87397960), (2, 43698980), (4, 21849490), (5, 17479592), (8, 10924745), (10, 8739796), (13, 6722920), (20, 4369898), (26, 3361460), (40, 2184949), (52, 1680730), (65, 1344584), (104, 840365), (130, 672292), (131, 667160), (260, 336146), (262, 333580), (520, 168073), (524, 166790), (655, 133432), (1048, 83395), (1283, 68120), (1310, 66716), (1703, 51320), (2566, 34060), (2620, 33358), (3406, 25660), (5132, 17030), (5240, 16679), (6415, 13624), (6812, 12830), (8515, 10264)]