69700760

素因数分解:

$2^3\times 5^1\times {\mathrm{421}}^1\times {\mathrm{4139}}^1$

素因数の和:4571

約数の個数: 32

約数和(自身を含む): 157237200

約数和(自身を除く): 87536440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 421, 842, 1684, 2105, 3368, 4139, 4210, 8278, 8420, 16556, 16840, 20695, 33112, 41390, 82780, 165560, 1742519, 3485038, 6970076, 8712595, 13940152, 17425190, 34850380, 69700760]

約数ペア:

[(1, 69700760), (2, 34850380), (4, 17425190), (5, 13940152), (8, 8712595), (10, 6970076), (20, 3485038), (40, 1742519), (421, 165560), (842, 82780), (1684, 41390), (2105, 33112), (3368, 20695), (4139, 16840), (4210, 16556), (8278, 8420)]