8153320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{787}}^1$

素因数の和:842

約数の個数: 64

約数和(自身を含む): 21559680

約数和(自身を除く): 13406360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 37, 40, 56, 70, 74, 140, 148, 185, 259, 280, 296, 370, 518, 740, 787, 1036, 1295, 1480, 1574, 2072, 2590, 3148, 3935, 5180, 5509, 6296, 7870, 10360, 11018, 15740, 22036, 27545, 29119, 31480, 44072, 55090, 58238, 110180, 116476, 145595, 203833, 220360, 232952, 291190, 407666, 582380, 815332, 1019165, 1164760, 1630664, 2038330, 4076660, 8153320]

約数ペア:

[(1, 8153320), (2, 4076660), (4, 2038330), (5, 1630664), (7, 1164760), (8, 1019165), (10, 815332), (14, 582380), (20, 407666), (28, 291190), (35, 232952), (37, 220360), (40, 203833), (56, 145595), (70, 116476), (74, 110180), (140, 58238), (148, 55090), (185, 44072), (259, 31480), (280, 29119), (296, 27545), (370, 22036), (518, 15740), (740, 11018), (787, 10360), (1036, 7870), (1295, 6296), (1480, 5509), (1574, 5180), (2072, 3935), (2590, 3148)]