87915460

素因数分解:

$2^2\times 5^1\times {\mathrm{997}}^1\times {\mathrm{4409}}^1$

素因数の和:5415

約数の個数: 24

約数和(自身を含む): 184849560

約数和(自身を除く): 96934100

約数列:

[1, 2, 4, 5, 10, 20, 997, 1994, 3988, 4409, 4985, 8818, 9970, 17636, 19940, 22045, 44090, 88180, 4395773, 8791546, 17583092, 21978865, 43957730, 87915460]

約数ペア:

[(1, 87915460), (2, 43957730), (4, 21978865), (5, 17583092), (10, 8791546), (20, 4395773), (997, 88180), (1994, 44090), (3988, 22045), (4409, 19940), (4985, 17636), (8818, 9970)]