8563670020

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{126719}}^1$

素因数の和:126868

約数の個数: 48

約数和(自身を含む): 18734284800

約数和(自身を除く): 10170614780

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 109, 124, 155, 218, 310, 436, 545, 620, 1090, 2180, 3379, 6758, 13516, 16895, 33790, 67580, 126719, 253438, 506876, 633595, 1267190, 2534380, 3928289, 7856578, 13812371, 15713156, 19641445, 27624742, 39282890, 55249484, 69061855, 78565780, 138123710, 276247420, 428183501, 856367002, 1712734004, 2140917505, 4281835010, 8563670020]

約数ペア:

[(1, 8563670020), (2, 4281835010), (4, 2140917505), (5, 1712734004), (10, 856367002), (20, 428183501), (31, 276247420), (62, 138123710), (109, 78565780), (124, 69061855), (155, 55249484), (218, 39282890), (310, 27624742), (436, 19641445), (545, 15713156), (620, 13812371), (1090, 7856578), (2180, 3928289), (3379, 2534380), (6758, 1267190), (13516, 633595), (16895, 506876), (33790, 253438), (67580, 126719)]