1860560

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1789}}^1$

素因数の和:1815

約数の個数: 40

約数和(自身を含む): 4661160

約数和(自身を除く): 2800600

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 1789, 3578, 7156, 8945, 14312, 17890, 23257, 28624, 35780, 46514, 71560, 93028, 116285, 143120, 186056, 232570, 372112, 465140, 930280, 1860560]

約数ペア:

[(1, 1860560), (2, 930280), (4, 465140), (5, 372112), (8, 232570), (10, 186056), (13, 143120), (16, 116285), (20, 93028), (26, 71560), (40, 46514), (52, 35780), (65, 28624), (80, 23257), (104, 17890), (130, 14312), (208, 8945), (260, 7156), (520, 3578), (1040, 1789)]