127381720

素因数分解:

$2^3\times 5^1\times {\mathrm{191}}^1\times {\mathrm{16673}}^1$

素因数の和:16875

約数の個数: 32

約数和(自身を含む): 288126720

約数和(自身を除く): 160745000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 191, 382, 764, 955, 1528, 1910, 3820, 7640, 16673, 33346, 66692, 83365, 133384, 166730, 333460, 666920, 3184543, 6369086, 12738172, 15922715, 25476344, 31845430, 63690860, 127381720]

約数ペア:

[(1, 127381720), (2, 63690860), (4, 31845430), (5, 25476344), (8, 15922715), (10, 12738172), (20, 6369086), (40, 3184543), (191, 666920), (382, 333460), (764, 166730), (955, 133384), (1528, 83365), (1910, 66692), (3820, 33346), (7640, 16673)]