27952280

素因数分解:

$2^3\times 5^1\times {\mathrm{157}}^1\times {\mathrm{4451}}^1$

素因数の和:4619

約数の個数: 32

約数和(自身を含む): 63307440

約数和(自身を除く): 35355160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 157, 314, 628, 785, 1256, 1570, 3140, 4451, 6280, 8902, 17804, 22255, 35608, 44510, 89020, 178040, 698807, 1397614, 2795228, 3494035, 5590456, 6988070, 13976140, 27952280]

約数ペア:

[(1, 27952280), (2, 13976140), (4, 6988070), (5, 5590456), (8, 3494035), (10, 2795228), (20, 1397614), (40, 698807), (157, 178040), (314, 89020), (628, 44510), (785, 35608), (1256, 22255), (1570, 17804), (3140, 8902), (4451, 6280)]