1671980

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{2039}}^1$

素因数の和:2089

約数の個数: 24

約数和(自身を含む): 3598560

約数和(自身を除く): 1926580

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 2039, 4078, 8156, 10195, 20390, 40780, 83599, 167198, 334396, 417995, 835990, 1671980]

約数ペア:

[(1, 1671980), (2, 835990), (4, 417995), (5, 334396), (10, 167198), (20, 83599), (41, 40780), (82, 20390), (164, 10195), (205, 8156), (410, 4078), (820, 2039)]