66617420

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{175309}}^1$

素因数の和:175337

約数の個数: 24

約数和(自身を含む): 147260400

約数和(自身を除く): 80642980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 175309, 350618, 701236, 876545, 1753090, 3330871, 3506180, 6661742, 13323484, 16654355, 33308710, 66617420]

約数ペア:

[(1, 66617420), (2, 33308710), (4, 16654355), (5, 13323484), (10, 6661742), (19, 3506180), (20, 3330871), (38, 1753090), (76, 876545), (95, 701236), (190, 350618), (380, 175309)]