66773680

素因数分解:

$2^4\times 5^1\times {\mathrm{834671}}^1$

素因数の和:834684

約数の個数: 20

約数和(自身を含む): 155248992

約数和(自身を除く): 88475312

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 834671, 1669342, 3338684, 4173355, 6677368, 8346710, 13354736, 16693420, 33386840, 66773680]

約数ペア:

[(1, 66773680), (2, 33386840), (4, 16693420), (5, 13354736), (8, 8346710), (10, 6677368), (16, 4173355), (20, 3338684), (40, 1669342), (80, 834671)]