87468980

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{141079}}^1$

素因数の和:141119

約数の個数: 24

約数和(自身を含む): 189611520

約数和(自身を除く): 102142540

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 141079, 282158, 564316, 705395, 1410790, 2821580, 4373449, 8746898, 17493796, 21867245, 43734490, 87468980]

約数ペア:

[(1, 87468980), (2, 43734490), (4, 21867245), (5, 17493796), (10, 8746898), (20, 4373449), (31, 2821580), (62, 1410790), (124, 705395), (155, 564316), (310, 282158), (620, 141079)]