71380880

素因数分解:

$2^4\times 5^1\times {\mathrm{892261}}^1$

素因数の和:892274

約数の個数: 20

約数和(自身を含む): 165960732

約数和(自身を除く): 94579852

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 892261, 1784522, 3569044, 4461305, 7138088, 8922610, 14276176, 17845220, 35690440, 71380880]

約数ペア:

[(1, 71380880), (2, 35690440), (4, 17845220), (5, 14276176), (8, 8922610), (10, 7138088), (16, 4461305), (20, 3569044), (40, 1784522), (80, 892261)]