31067980

素因数分解:

$2^2\times 5^1\times {\mathrm{349}}^1\times {\mathrm{4451}}^1$

素因数の和:4809

約数の個数: 24

約数和(自身を含む): 65444400

約数和(自身を除く): 34376420

約数列:

[1, 2, 4, 5, 10, 20, 349, 698, 1396, 1745, 3490, 4451, 6980, 8902, 17804, 22255, 44510, 89020, 1553399, 3106798, 6213596, 7766995, 15533990, 31067980]

約数ペア:

[(1, 31067980), (2, 15533990), (4, 7766995), (5, 6213596), (10, 3106798), (20, 1553399), (349, 89020), (698, 44510), (1396, 22255), (1745, 17804), (3490, 8902), (4451, 6980)]