31289680

素因数分解:

$2^4\times 5^1\times {\mathrm{227}}^1\times {\mathrm{1723}}^1$

素因数の和:1963

約数の個数: 40

約数和(自身を含む): 73111392

約数和(自身を除く): 41821712

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 227, 454, 908, 1135, 1723, 1816, 2270, 3446, 3632, 4540, 6892, 8615, 9080, 13784, 17230, 18160, 27568, 34460, 68920, 137840, 391121, 782242, 1564484, 1955605, 3128968, 3911210, 6257936, 7822420, 15644840, 31289680]

約数ペア:

[(1, 31289680), (2, 15644840), (4, 7822420), (5, 6257936), (8, 3911210), (10, 3128968), (16, 1955605), (20, 1564484), (40, 782242), (80, 391121), (227, 137840), (454, 68920), (908, 34460), (1135, 27568), (1723, 18160), (1816, 17230), (2270, 13784), (3446, 9080), (3632, 8615), (4540, 6892)]