72631340

素因数分解:

$2^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{23131}}^1$

素因数の和:23297

約数の個数: 24

約数和(自身を含む): 153503952

約数和(自身を除く): 80872612

約数列:

[1, 2, 4, 5, 10, 20, 157, 314, 628, 785, 1570, 3140, 23131, 46262, 92524, 115655, 231310, 462620, 3631567, 7263134, 14526268, 18157835, 36315670, 72631340]

約数ペア:

[(1, 72631340), (2, 36315670), (4, 18157835), (5, 14526268), (10, 7263134), (20, 3631567), (157, 462620), (314, 231310), (628, 115655), (785, 92524), (1570, 46262), (3140, 23131)]