1048557520

素因数分解:

$2^4\times 5^1\times {\mathrm{79}}^1\times {\mathrm{251}}^1\times {\mathrm{661}}^1$

素因数の和:1004

約数の個数: 80

約数和(自身を含む): 2482341120

約数和(自身を除く): 1433783600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 79, 80, 158, 251, 316, 395, 502, 632, 661, 790, 1004, 1255, 1264, 1322, 1580, 2008, 2510, 2644, 3160, 3305, 4016, 5020, 5288, 6320, 6610, 10040, 10576, 13220, 19829, 20080, 26440, 39658, 52219, 52880, 79316, 99145, 104438, 158632, 165911, 198290, 208876, 261095, 317264, 331822, 396580, 417752, 522190, 663644, 793160, 829555, 835504, 1044380, 1327288, 1586320, 1659110, 2088760, 2654576, 3318220, 4177520, 6636440, 13106969, 13272880, 26213938, 52427876, 65534845, 104855752, 131069690, 209711504, 262139380, 524278760, 1048557520]

約数ペア:

[(1, 1048557520), (2, 524278760), (4, 262139380), (5, 209711504), (8, 131069690), (10, 104855752), (16, 65534845), (20, 52427876), (40, 26213938), (79, 13272880), (80, 13106969), (158, 6636440), (251, 4177520), (316, 3318220), (395, 2654576), (502, 2088760), (632, 1659110), (661, 1586320), (790, 1327288), (1004, 1044380), (1255, 835504), (1264, 829555), (1322, 793160), (1580, 663644), (2008, 522190), (2510, 417752), (2644, 396580), (3160, 331822), (3305, 317264), (4016, 261095), (5020, 208876), (5288, 198290), (6320, 165911), (6610, 158632), (10040, 104438), (10576, 99145), (13220, 79316), (19829, 52880), (20080, 52219), (26440, 39658)]