1980590

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{6389}}^1$

素因数の和:6427

約数の個数: 16

約数和(自身を含む): 3680640

約数和(自身を除く): 1700050

約数列:

[1, 2, 5, 10, 31, 62, 155, 310, 6389, 12778, 31945, 63890, 198059, 396118, 990295, 1980590]

約数ペア:

[(1, 1980590), (2, 990295), (5, 396118), (10, 198059), (31, 63890), (62, 31945), (155, 12778), (310, 6389)]