103291520

素因数分解:

$2^7\times 5^1\times {\mathrm{251}}^1\times {\mathrm{643}}^1$

素因数の和:913

約数の個数: 64

約数和(自身を含む): 248300640

約数和(自身を除く): 145009120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 251, 320, 502, 640, 643, 1004, 1255, 1286, 2008, 2510, 2572, 3215, 4016, 5020, 5144, 6430, 8032, 10040, 10288, 12860, 16064, 20080, 20576, 25720, 32128, 40160, 41152, 51440, 80320, 82304, 102880, 160640, 161393, 205760, 322786, 411520, 645572, 806965, 1291144, 1613930, 2582288, 3227860, 5164576, 6455720, 10329152, 12911440, 20658304, 25822880, 51645760, 103291520]

約数ペア:

[(1, 103291520), (2, 51645760), (4, 25822880), (5, 20658304), (8, 12911440), (10, 10329152), (16, 6455720), (20, 5164576), (32, 3227860), (40, 2582288), (64, 1613930), (80, 1291144), (128, 806965), (160, 645572), (251, 411520), (320, 322786), (502, 205760), (640, 161393), (643, 160640), (1004, 102880), (1255, 82304), (1286, 80320), (2008, 51440), (2510, 41152), (2572, 40160), (3215, 32128), (4016, 25720), (5020, 20576), (5144, 20080), (6430, 16064), (8032, 12860), (10040, 10288)]