12905290

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{44501}}^1$

素因数の和:44537

約数の個数: 16

約数和(自身を含む): 24031080

約数和(自身を除く): 11125790

約数列:

[1, 2, 5, 10, 29, 58, 145, 290, 44501, 89002, 222505, 445010, 1290529, 2581058, 6452645, 12905290]

約数ペア:

[(1, 12905290), (2, 6452645), (5, 2581058), (10, 1290529), (29, 445010), (58, 222505), (145, 89002), (290, 44501)]