42129380

素因数分解:

$2^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{13417}}^1$

素因数の和:13583

約数の個数: 24

約数和(自身を含む): 89041848

約数和(自身を除く): 46912468

約数列:

[1, 2, 4, 5, 10, 20, 157, 314, 628, 785, 1570, 3140, 13417, 26834, 53668, 67085, 134170, 268340, 2106469, 4212938, 8425876, 10532345, 21064690, 42129380]

約数ペア:

[(1, 42129380), (2, 21064690), (4, 10532345), (5, 8425876), (10, 4212938), (20, 2106469), (157, 268340), (314, 134170), (628, 67085), (785, 53668), (1570, 26834), (3140, 13417)]