87389920

素因数分解:

$2^5\times 5^1\times {\mathrm{47}}^1\times {\mathrm{11621}}^1$

素因数の和:11683

約数の個数: 48

約数和(自身を含む): 210869568

約数和(自身を除く): 123479648

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 47, 80, 94, 160, 188, 235, 376, 470, 752, 940, 1504, 1880, 3760, 7520, 11621, 23242, 46484, 58105, 92968, 116210, 185936, 232420, 371872, 464840, 546187, 929680, 1092374, 1859360, 2184748, 2730935, 4369496, 5461870, 8738992, 10923740, 17477984, 21847480, 43694960, 87389920]

約数ペア:

[(1, 87389920), (2, 43694960), (4, 21847480), (5, 17477984), (8, 10923740), (10, 8738992), (16, 5461870), (20, 4369496), (32, 2730935), (40, 2184748), (47, 1859360), (80, 1092374), (94, 929680), (160, 546187), (188, 464840), (235, 371872), (376, 232420), (470, 185936), (752, 116210), (940, 92968), (1504, 58105), (1880, 46484), (3760, 23242), (7520, 11621)]