53776940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{12391}}^1$

素因数の和:12438

約数の個数: 48

約数和(自身を含む): 133238784

約数和(自身を除く): 79461844

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, 12391, 24782, 49564, 61955, 86737, 123910, 173474, 247820, 346948, 384121, 433685, 768242, 867370, 1536484, 1734740, 1920605, 2688847, 3841210, 5377694, 7682420, 10755388, 13444235, 26888470, 53776940]

約数ペア:

[(1, 53776940), (2, 26888470), (4, 13444235), (5, 10755388), (7, 7682420), (10, 5377694), (14, 3841210), (20, 2688847), (28, 1920605), (31, 1734740), (35, 1536484), (62, 867370), (70, 768242), (124, 433685), (140, 384121), (155, 346948), (217, 247820), (310, 173474), (434, 123910), (620, 86737), (868, 61955), (1085, 49564), (2170, 24782), (4340, 12391)]