40976000

素因数分解:

$2^7\times 5^3\times {\mathrm{13}}^1\times {\mathrm{197}}^1$

素因数の和:239

約数の個数: 128

約数和(自身を含む): 110270160

約数和(自身を除く): 69294160

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, 197, 200, 208, 250, 260, 320, 325, 394, 400, 416, 500, 520, 640, 650, 788, 800, 832, 985, 1000, 1040, 1300, 1576, 1600, 1625, 1664, 1970, 2000, 2080, 2561, 2600, 3152, 3200, 3250, 3940, 4000, 4160, 4925, 5122, 5200, 6304, 6500, 7880, 8000, 8320, 9850, 10244, 10400, 12608, 12805, 13000, 15760, 16000, 19700, 20488, 20800, 24625, 25216, 25610, 26000, 31520, 39400, 40976, 41600, 49250, 51220, 52000, 63040, 64025, 78800, 81952, 98500, 102440, 104000, 126080, 128050, 157600, 163904, 197000, 204880, 208000, 256100, 315200, 320125, 327808, 394000, 409760, 512200, 630400, 640250, 788000, 819520, 1024400, 1280500, 1576000, 1639040, 2048800, 2561000, 3152000, 4097600, 5122000, 8195200, 10244000, 20488000, 40976000]

約数ペア:

[(1, 40976000), (2, 20488000), (4, 10244000), (5, 8195200), (8, 5122000), (10, 4097600), (13, 3152000), (16, 2561000), (20, 2048800), (25, 1639040), (26, 1576000), (32, 1280500), (40, 1024400), (50, 819520), (52, 788000), (64, 640250), (65, 630400), (80, 512200), (100, 409760), (104, 394000), (125, 327808), (128, 320125), (130, 315200), (160, 256100), (197, 208000), (200, 204880), (208, 197000), (250, 163904), (260, 157600), (320, 128050), (325, 126080), (394, 104000), (400, 102440), (416, 98500), (500, 81952), (520, 78800), (640, 64025), (650, 63040), (788, 52000), (800, 51220), (832, 49250), (985, 41600), (1000, 40976), (1040, 39400), (1300, 31520), (1576, 26000), (1600, 25610), (1625, 25216), (1664, 24625), (1970, 20800), (2000, 20488), (2080, 19700), (2561, 16000), (2600, 15760), (3152, 13000), (3200, 12805), (3250, 12608), (3940, 10400), (4000, 10244), (4160, 9850), (4925, 8320), (5122, 8000), (5200, 7880), (6304, 6500)]