42742780

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{112481}}^1$

素因数の和:112509

約数の個数: 24

約数和(自身を含む): 94484880

約数和(自身を除く): 51742100

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 112481, 224962, 449924, 562405, 1124810, 2137139, 2249620, 4274278, 8548556, 10685695, 21371390, 42742780]

約数ペア:

[(1, 42742780), (2, 21371390), (4, 10685695), (5, 8548556), (10, 4274278), (19, 2249620), (20, 2137139), (38, 1124810), (76, 562405), (95, 449924), (190, 224962), (380, 112481)]