127305020

素因数分解:

$2^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{40543}}^1$

素因数の和:40709

約数の個数: 24

約数和(自身を含む): 269049984

約数和(自身を除く): 141744964

約数列:

[1, 2, 4, 5, 10, 20, 157, 314, 628, 785, 1570, 3140, 40543, 81086, 162172, 202715, 405430, 810860, 6365251, 12730502, 25461004, 31826255, 63652510, 127305020]

約数ペア:

[(1, 127305020), (2, 63652510), (4, 31826255), (5, 25461004), (10, 12730502), (20, 6365251), (157, 810860), (314, 405430), (628, 202715), (785, 162172), (1570, 81086), (3140, 40543)]