87010720

素因数分解:

$2^5\times 5^1\times {\mathrm{691}}^1\times {\mathrm{787}}^1$

素因数の和:1493

約数の個数: 48

約数和(自身を含む): 206121888

約数和(自身を除く): 119111168

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 691, 787, 1382, 1574, 2764, 3148, 3455, 3935, 5528, 6296, 6910, 7870, 11056, 12592, 13820, 15740, 22112, 25184, 27640, 31480, 55280, 62960, 110560, 125920, 543817, 1087634, 2175268, 2719085, 4350536, 5438170, 8701072, 10876340, 17402144, 21752680, 43505360, 87010720]

約数ペア:

[(1, 87010720), (2, 43505360), (4, 21752680), (5, 17402144), (8, 10876340), (10, 8701072), (16, 5438170), (20, 4350536), (32, 2719085), (40, 2175268), (80, 1087634), (160, 543817), (691, 125920), (787, 110560), (1382, 62960), (1574, 55280), (2764, 31480), (3148, 27640), (3455, 25184), (3935, 22112), (5528, 15740), (6296, 13820), (6910, 12592), (7870, 11056)]