54427940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{12541}}^1$

素因数の和:12588

約数の個数: 48

約数和(自身を含む): 134851584

約数和(自身を除く): 80423644

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, 12541, 25082, 50164, 62705, 87787, 125410, 175574, 250820, 351148, 388771, 438935, 777542, 877870, 1555084, 1755740, 1943855, 2721397, 3887710, 5442794, 7775420, 10885588, 13606985, 27213970, 54427940]

約数ペア:

[(1, 54427940), (2, 27213970), (4, 13606985), (5, 10885588), (7, 7775420), (10, 5442794), (14, 3887710), (20, 2721397), (28, 1943855), (31, 1755740), (35, 1555084), (62, 877870), (70, 777542), (124, 438935), (140, 388771), (155, 351148), (217, 250820), (310, 175574), (434, 125410), (620, 87787), (868, 62705), (1085, 50164), (2170, 25082), (4340, 12541)]