15941680

素因数分解:

$2^4\times 5^1\times {\mathrm{89}}^1\times {\mathrm{2239}}^1$

素因数の和:2341

約数の個数: 40

約数和(自身を含む): 37497600

約数和(自身を除く): 21555920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 89, 178, 356, 445, 712, 890, 1424, 1780, 2239, 3560, 4478, 7120, 8956, 11195, 17912, 22390, 35824, 44780, 89560, 179120, 199271, 398542, 797084, 996355, 1594168, 1992710, 3188336, 3985420, 7970840, 15941680]

約数ペア:

[(1, 15941680), (2, 7970840), (4, 3985420), (5, 3188336), (8, 1992710), (10, 1594168), (16, 996355), (20, 797084), (40, 398542), (80, 199271), (89, 179120), (178, 89560), (356, 44780), (445, 35824), (712, 22390), (890, 17912), (1424, 11195), (1780, 8956), (2239, 7120), (3560, 4478)]