66796940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{15391}}^1$

素因数の和:15438

約数の個数: 48

約数和(自身を含む): 165494784

約数和(自身を除く): 98697844

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 124, 140, 155, 217, 310, 434, 620, 868, 1085, 2170, 4340, 15391, 30782, 61564, 76955, 107737, 153910, 215474, 307820, 430948, 477121, 538685, 954242, 1077370, 1908484, 2154740, 2385605, 3339847, 4771210, 6679694, 9542420, 13359388, 16699235, 33398470, 66796940]

約数ペア:

[(1, 66796940), (2, 33398470), (4, 16699235), (5, 13359388), (7, 9542420), (10, 6679694), (14, 4771210), (20, 3339847), (28, 2385605), (31, 2154740), (35, 1908484), (62, 1077370), (70, 954242), (124, 538685), (140, 477121), (155, 430948), (217, 307820), (310, 215474), (434, 153910), (620, 107737), (868, 76955), (1085, 61564), (2170, 30782), (4340, 15391)]