189741880

素因数分解:

$2^3\times 5^1\times {\mathrm{587}}^1\times {\mathrm{8081}}^1$

素因数の和:8679

約数の個数: 32

約数和(自身を含む): 427699440

約数和(自身を除く): 237957560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 587, 1174, 2348, 2935, 4696, 5870, 8081, 11740, 16162, 23480, 32324, 40405, 64648, 80810, 161620, 323240, 4743547, 9487094, 18974188, 23717735, 37948376, 47435470, 94870940, 189741880]

約数ペア:

[(1, 189741880), (2, 94870940), (4, 47435470), (5, 37948376), (8, 23717735), (10, 18974188), (20, 9487094), (40, 4743547), (587, 323240), (1174, 161620), (2348, 80810), (2935, 64648), (4696, 40405), (5870, 32324), (8081, 23480), (11740, 16162)]