71628560

素因数分解:

$2^4\times 5^1\times {\mathrm{895357}}^1$

素因数の和:895370

約数の個数: 20

約数和(自身を含む): 166536588

約数和(自身を除く): 94908028

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 895357, 1790714, 3581428, 4476785, 7162856, 8953570, 14325712, 17907140, 35814280, 71628560]

約数ペア:

[(1, 71628560), (2, 35814280), (4, 17907140), (5, 14325712), (8, 8953570), (10, 7162856), (16, 4476785), (20, 3581428), (40, 1790714), (80, 895357)]