61928980

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{162971}}^1$

素因数の和:162999

約数の個数: 24

約数和(自身を含む): 136896480

約数和(自身を除く): 74967500

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 162971, 325942, 651884, 814855, 1629710, 3096449, 3259420, 6192898, 12385796, 15482245, 30964490, 61928980]

約数ペア:

[(1, 61928980), (2, 30964490), (4, 15482245), (5, 12385796), (10, 6192898), (19, 3259420), (20, 3096449), (38, 1629710), (76, 814855), (95, 651884), (190, 325942), (380, 162971)]