8291980

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{21821}}^1$

素因数の和:21849

約数の個数: 24

約数和(自身を含む): 18330480

約数和(自身を除く): 10038500

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 21821, 43642, 87284, 109105, 218210, 414599, 436420, 829198, 1658396, 2072995, 4145990, 8291980]

約数ペア:

[(1, 8291980), (2, 4145990), (4, 2072995), (5, 1658396), (10, 829198), (19, 436420), (20, 414599), (38, 218210), (76, 109105), (95, 87284), (190, 43642), (380, 21821)]