66939160

素因数分解:

$2^3\times 5^1\times {\mathrm{127}}^1\times {\mathrm{13177}}^1$

素因数の和:13315

約数の個数: 32

約数和(自身を含む): 151810560

約数和(自身を除く): 84871400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 127, 254, 508, 635, 1016, 1270, 2540, 5080, 13177, 26354, 52708, 65885, 105416, 131770, 263540, 527080, 1673479, 3346958, 6693916, 8367395, 13387832, 16734790, 33469580, 66939160]

約数ペア:

[(1, 66939160), (2, 33469580), (4, 16734790), (5, 13387832), (8, 8367395), (10, 6693916), (20, 3346958), (40, 1673479), (127, 527080), (254, 263540), (508, 131770), (635, 105416), (1016, 65885), (1270, 52708), (2540, 26354), (5080, 13177)]