22151240

素因数分解:

$2^3\times 5^1\times {\mathrm{401}}^1\times {\mathrm{1381}}^1$

素因数の和:1793

約数の個数: 32

約数和(自身を含む): 50000760

約数和(自身を除く): 27849520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 401, 802, 1381, 1604, 2005, 2762, 3208, 4010, 5524, 6905, 8020, 11048, 13810, 16040, 27620, 55240, 553781, 1107562, 2215124, 2768905, 4430248, 5537810, 11075620, 22151240]

約数ペア:

[(1, 22151240), (2, 11075620), (4, 5537810), (5, 4430248), (8, 2768905), (10, 2215124), (20, 1107562), (40, 553781), (401, 55240), (802, 27620), (1381, 16040), (1604, 13810), (2005, 11048), (2762, 8020), (3208, 6905), (4010, 5524)]