16851880

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{7949}}^1$

素因数の和:8013

約数の個数: 32

約数和(自身を含む): 38637000

約数和(自身を除く): 21785120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 530, 1060, 2120, 7949, 15898, 31796, 39745, 63592, 79490, 158980, 317960, 421297, 842594, 1685188, 2106485, 3370376, 4212970, 8425940, 16851880]

約数ペア:

[(1, 16851880), (2, 8425940), (4, 4212970), (5, 3370376), (8, 2106485), (10, 1685188), (20, 842594), (40, 421297), (53, 317960), (106, 158980), (212, 79490), (265, 63592), (424, 39745), (530, 31796), (1060, 15898), (2120, 7949)]