87312740

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{140827}}^1$

素因数の和:140867

約数の個数: 24

約数和(自身を含む): 189272832

約数和(自身を除く): 101960092

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 140827, 281654, 563308, 704135, 1408270, 2816540, 4365637, 8731274, 17462548, 21828185, 43656370, 87312740]

約数ペア:

[(1, 87312740), (2, 43656370), (4, 21828185), (5, 17462548), (10, 8731274), (20, 4365637), (31, 2816540), (62, 1408270), (124, 704135), (155, 563308), (310, 281654), (620, 140827)]