15855920

素因数分解:

$2^4\times 5^1\times {\mathrm{47}}^1\times {\mathrm{4217}}^1$

素因数の和:4277

約数の個数: 40

約数和(自身を含む): 37658304

約数和(自身を除く): 21802384

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 47, 80, 94, 188, 235, 376, 470, 752, 940, 1880, 3760, 4217, 8434, 16868, 21085, 33736, 42170, 67472, 84340, 168680, 198199, 337360, 396398, 792796, 990995, 1585592, 1981990, 3171184, 3963980, 7927960, 15855920]

約数ペア:

[(1, 15855920), (2, 7927960), (4, 3963980), (5, 3171184), (8, 1981990), (10, 1585592), (16, 990995), (20, 792796), (40, 396398), (47, 337360), (80, 198199), (94, 168680), (188, 84340), (235, 67472), (376, 42170), (470, 33736), (752, 21085), (940, 16868), (1880, 8434), (3760, 4217)]