20080100

素因数分解:

$2^2\times 5^2\times {\mathrm{113}}^1\times {\mathrm{1777}}^1$

素因数の和:1904

約数の個数: 36

約数和(自身を含む): 43984164

約数和(自身を除く): 23904064

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 113, 226, 452, 565, 1130, 1777, 2260, 2825, 3554, 5650, 7108, 8885, 11300, 17770, 35540, 44425, 88850, 177700, 200801, 401602, 803204, 1004005, 2008010, 4016020, 5020025, 10040050, 20080100]

約数ペア:

[(1, 20080100), (2, 10040050), (4, 5020025), (5, 4016020), (10, 2008010), (20, 1004005), (25, 803204), (50, 401602), (100, 200801), (113, 177700), (226, 88850), (452, 44425), (565, 35540), (1130, 17770), (1777, 11300), (2260, 8885), (2825, 7108), (3554, 5650)]