125400320

素因数分解:

$2^8\times 5^1\times {\mathrm{313}}^2$

素因数の和:647

約数の個数: 54

約数和(自身を含む): 301335678

約数和(自身を除く): 175935358

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 313, 320, 626, 640, 1252, 1280, 1565, 2504, 3130, 5008, 6260, 10016, 12520, 20032, 25040, 40064, 50080, 80128, 97969, 100160, 195938, 200320, 391876, 400640, 489845, 783752, 979690, 1567504, 1959380, 3135008, 3918760, 6270016, 7837520, 12540032, 15675040, 25080064, 31350080, 62700160, 125400320]

約数ペア:

[(1, 125400320), (2, 62700160), (4, 31350080), (5, 25080064), (8, 15675040), (10, 12540032), (16, 7837520), (20, 6270016), (32, 3918760), (40, 3135008), (64, 1959380), (80, 1567504), (128, 979690), (160, 783752), (256, 489845), (313, 400640), (320, 391876), (626, 200320), (640, 195938), (1252, 100160), (1280, 97969), (1565, 80128), (2504, 50080), (3130, 40064), (5008, 25040), (6260, 20032), (10016, 12520)]