71679820

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{210823}}^1$

素因数の和:210849

約数の個数: 24

約数和(自身を含む): 159382944

約数和(自身を除く): 87703124

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 210823, 421646, 843292, 1054115, 2108230, 3583991, 4216460, 7167982, 14335964, 17919955, 35839910, 71679820]

約数ペア:

[(1, 71679820), (2, 35839910), (4, 17919955), (5, 14335964), (10, 7167982), (17, 4216460), (20, 3583991), (34, 2108230), (68, 1054115), (85, 843292), (170, 421646), (340, 210823)]