15880360

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{8447}}^1$

素因数の和:8505

約数の個数: 32

約数和(自身を含む): 36495360

約数和(自身を除く): 20615000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 235, 376, 470, 940, 1880, 8447, 16894, 33788, 42235, 67576, 84470, 168940, 337880, 397009, 794018, 1588036, 1985045, 3176072, 3970090, 7940180, 15880360]

約数ペア:

[(1, 15880360), (2, 7940180), (4, 3970090), (5, 3176072), (8, 1985045), (10, 1588036), (20, 794018), (40, 397009), (47, 337880), (94, 168940), (188, 84470), (235, 67576), (376, 42235), (470, 33788), (940, 16894), (1880, 8447)]