87110620

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{1289}}^1$

素因数の和:1438

約数の個数: 48

約数和(自身を含む): 190713600

約数和(自身を除く): 103602980

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 109, 124, 155, 218, 310, 436, 545, 620, 1090, 1289, 2180, 2578, 3379, 5156, 6445, 6758, 12890, 13516, 16895, 25780, 33790, 39959, 67580, 79918, 140501, 159836, 199795, 281002, 399590, 562004, 702505, 799180, 1405010, 2810020, 4355531, 8711062, 17422124, 21777655, 43555310, 87110620]

約数ペア:

[(1, 87110620), (2, 43555310), (4, 21777655), (5, 17422124), (10, 8711062), (20, 4355531), (31, 2810020), (62, 1405010), (109, 799180), (124, 702505), (155, 562004), (218, 399590), (310, 281002), (436, 199795), (545, 159836), (620, 140501), (1090, 79918), (1289, 67580), (2180, 39959), (2578, 33790), (3379, 25780), (5156, 16895), (6445, 13516), (6758, 12890)]