19862240

素因数分解:

$2^5\times 5^1\times {\mathrm{124139}}^1$

素因数の和:124154

約数の個数: 24

約数和(自身を含む): 46924920

約数和(自身を除く): 27062680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 124139, 248278, 496556, 620695, 993112, 1241390, 1986224, 2482780, 3972448, 4965560, 9931120, 19862240]

約数ペア:

[(1, 19862240), (2, 9931120), (4, 4965560), (5, 3972448), (8, 2482780), (10, 1986224), (16, 1241390), (20, 993112), (32, 620695), (40, 496556), (80, 248278), (160, 124139)]