200901080

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{162017}}^1$

素因数の和:162059

約数の個数: 32

約数和(自身を含む): 466611840

約数和(自身を除く): 265710760

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 162017, 324034, 648068, 810085, 1296136, 1620170, 3240340, 5022527, 6480680, 10045054, 20090108, 25112635, 40180216, 50225270, 100450540, 200901080]

約数ペア:

[(1, 200901080), (2, 100450540), (4, 50225270), (5, 40180216), (8, 25112635), (10, 20090108), (20, 10045054), (31, 6480680), (40, 5022527), (62, 3240340), (124, 1620170), (155, 1296136), (248, 810085), (310, 648068), (620, 324034), (1240, 162017)]