87166960

素因数分解:

$2^4\times 5^1\times {\mathrm{673}}^1\times {\mathrm{1619}}^1$

素因数の和:2305

約数の個数: 40

約数和(自身を含む): 203089680

約数和(自身を除く): 115922720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 673, 1346, 1619, 2692, 3238, 3365, 5384, 6476, 6730, 8095, 10768, 12952, 13460, 16190, 25904, 26920, 32380, 53840, 64760, 129520, 1089587, 2179174, 4358348, 5447935, 8716696, 10895870, 17433392, 21791740, 43583480, 87166960]

約数ペア:

[(1, 87166960), (2, 43583480), (4, 21791740), (5, 17433392), (8, 10895870), (10, 8716696), (16, 5447935), (20, 4358348), (40, 2179174), (80, 1089587), (673, 129520), (1346, 64760), (1619, 53840), (2692, 32380), (3238, 26920), (3365, 25904), (5384, 16190), (6476, 13460), (6730, 12952), (8095, 10768)]