31840660

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{1319}}^1$

素因数の和:1416

約数の個数: 48

約数和(自身を含む): 71850240

約数和(自身を除く): 40009580

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 71, 85, 142, 170, 284, 340, 355, 710, 1207, 1319, 1420, 2414, 2638, 4828, 5276, 6035, 6595, 12070, 13190, 22423, 24140, 26380, 44846, 89692, 93649, 112115, 187298, 224230, 374596, 448460, 468245, 936490, 1592033, 1872980, 3184066, 6368132, 7960165, 15920330, 31840660]

約数ペア:

[(1, 31840660), (2, 15920330), (4, 7960165), (5, 6368132), (10, 3184066), (17, 1872980), (20, 1592033), (34, 936490), (68, 468245), (71, 448460), (85, 374596), (142, 224230), (170, 187298), (284, 112115), (340, 93649), (355, 89692), (710, 44846), (1207, 26380), (1319, 24140), (1420, 22423), (2414, 13190), (2638, 12070), (4828, 6595), (5276, 6035)]