2900560

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2789}}^1$

素因数の和:2815

約数の個数: 40

約数和(自身を含む): 7265160

約数和(自身を除く): 4364600

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 2789, 5578, 11156, 13945, 22312, 27890, 36257, 44624, 55780, 72514, 111560, 145028, 181285, 223120, 290056, 362570, 580112, 725140, 1450280, 2900560]

約数ペア:

[(1, 2900560), (2, 1450280), (4, 725140), (5, 580112), (8, 362570), (10, 290056), (13, 223120), (16, 181285), (20, 145028), (26, 111560), (40, 72514), (52, 55780), (65, 44624), (80, 36257), (104, 27890), (130, 22312), (208, 13945), (260, 11156), (520, 5578), (1040, 2789)]