74668180

素因数分解:

$2^2\times 5^1\times {\mathrm{1831}}^1\times {\mathrm{2039}}^1$

素因数の和:3879

約数の個数: 24

約数和(自身を含む): 156965760

約数和(自身を除く): 82297580

約数列:

[1, 2, 4, 5, 10, 20, 1831, 2039, 3662, 4078, 7324, 8156, 9155, 10195, 18310, 20390, 36620, 40780, 3733409, 7466818, 14933636, 18667045, 37334090, 74668180]

約数ペア:

[(1, 74668180), (2, 37334090), (4, 18667045), (5, 14933636), (10, 7466818), (20, 3733409), (1831, 40780), (2039, 36620), (3662, 20390), (4078, 18310), (7324, 10195), (8156, 9155)]