78832000

素因数分解:

$2^7\times 5^3\times {\mathrm{13}}^1\times {\mathrm{379}}^1$

素因数の和:421

約数の個数: 128

約数和(自身を含む): 211629600

約数和(自身を除く): 132797600

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 50, 52, 64, 65, 80, 100, 104, 125, 128, 130, 160, 200, 208, 250, 260, 320, 325, 379, 400, 416, 500, 520, 640, 650, 758, 800, 832, 1000, 1040, 1300, 1516, 1600, 1625, 1664, 1895, 2000, 2080, 2600, 3032, 3200, 3250, 3790, 4000, 4160, 4927, 5200, 6064, 6500, 7580, 8000, 8320, 9475, 9854, 10400, 12128, 13000, 15160, 16000, 18950, 19708, 20800, 24256, 24635, 26000, 30320, 37900, 39416, 41600, 47375, 48512, 49270, 52000, 60640, 75800, 78832, 94750, 98540, 104000, 121280, 123175, 151600, 157664, 189500, 197080, 208000, 242560, 246350, 303200, 315328, 379000, 394160, 492700, 606400, 615875, 630656, 758000, 788320, 985400, 1212800, 1231750, 1516000, 1576640, 1970800, 2463500, 3032000, 3153280, 3941600, 4927000, 6064000, 7883200, 9854000, 15766400, 19708000, 39416000, 78832000]

約数ペア:

[(1, 78832000), (2, 39416000), (4, 19708000), (5, 15766400), (8, 9854000), (10, 7883200), (13, 6064000), (16, 4927000), (20, 3941600), (25, 3153280), (26, 3032000), (32, 2463500), (40, 1970800), (50, 1576640), (52, 1516000), (64, 1231750), (65, 1212800), (80, 985400), (100, 788320), (104, 758000), (125, 630656), (128, 615875), (130, 606400), (160, 492700), (200, 394160), (208, 379000), (250, 315328), (260, 303200), (320, 246350), (325, 242560), (379, 208000), (400, 197080), (416, 189500), (500, 157664), (520, 151600), (640, 123175), (650, 121280), (758, 104000), (800, 98540), (832, 94750), (1000, 78832), (1040, 75800), (1300, 60640), (1516, 52000), (1600, 49270), (1625, 48512), (1664, 47375), (1895, 41600), (2000, 39416), (2080, 37900), (2600, 30320), (3032, 26000), (3200, 24635), (3250, 24256), (3790, 20800), (4000, 19708), (4160, 18950), (4927, 16000), (5200, 15160), (6064, 13000), (6500, 12128), (7580, 10400), (8000, 9854), (8320, 9475)]