66397420

素因数分解:

$2^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{56269}}^1$

素因数の和:56337

約数の個数: 24

約数和(自身を含む): 141800400

約数和(自身を除く): 75402980

約数列:

[1, 2, 4, 5, 10, 20, 59, 118, 236, 295, 590, 1180, 56269, 112538, 225076, 281345, 562690, 1125380, 3319871, 6639742, 13279484, 16599355, 33198710, 66397420]

約数ペア:

[(1, 66397420), (2, 33198710), (4, 16599355), (5, 13279484), (10, 6639742), (20, 3319871), (59, 1125380), (118, 562690), (236, 281345), (295, 225076), (590, 112538), (1180, 56269)]