89851220

素因数分解:

$2^2\times 5^1\times {\mathrm{389}}^1\times {\mathrm{11549}}^1$

素因数の和:11947

約数の個数: 24

約数和(自身を含む): 189189000

約数和(自身を除く): 99337780

約数列:

[1, 2, 4, 5, 10, 20, 389, 778, 1556, 1945, 3890, 7780, 11549, 23098, 46196, 57745, 115490, 230980, 4492561, 8985122, 17970244, 22462805, 44925610, 89851220]

約数ペア:

[(1, 89851220), (2, 44925610), (4, 22462805), (5, 17970244), (10, 8985122), (20, 4492561), (389, 230980), (778, 115490), (1556, 57745), (1945, 46196), (3890, 23098), (7780, 11549)]