1964560

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1889}}^1$

素因数の和:1915

約数の個数: 40

約数和(自身を含む): 4921560

約数和(自身を除く): 2957000

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 1889, 3778, 7556, 9445, 15112, 18890, 24557, 30224, 37780, 49114, 75560, 98228, 122785, 151120, 196456, 245570, 392912, 491140, 982280, 1964560]

約数ペア:

[(1, 1964560), (2, 982280), (4, 491140), (5, 392912), (8, 245570), (10, 196456), (13, 151120), (16, 122785), (20, 98228), (26, 75560), (40, 49114), (52, 37780), (65, 30224), (80, 24557), (104, 18890), (130, 15112), (208, 9445), (260, 7556), (520, 3778), (1040, 1889)]