80528000

素因数分解:

$2^7\times 5^3\times 7^1\times {\mathrm{719}}^1$

素因数の和:755

約数の個数: 128

約数和(自身を含む): 229132800

約数和(自身を除く): 148604800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 50, 56, 64, 70, 80, 100, 112, 125, 128, 140, 160, 175, 200, 224, 250, 280, 320, 350, 400, 448, 500, 560, 640, 700, 719, 800, 875, 896, 1000, 1120, 1400, 1438, 1600, 1750, 2000, 2240, 2800, 2876, 3200, 3500, 3595, 4000, 4480, 5033, 5600, 5752, 7000, 7190, 8000, 10066, 11200, 11504, 14000, 14380, 16000, 17975, 20132, 22400, 23008, 25165, 28000, 28760, 35950, 40264, 46016, 50330, 56000, 57520, 71900, 80528, 89875, 92032, 100660, 112000, 115040, 125825, 143800, 161056, 179750, 201320, 230080, 251650, 287600, 322112, 359500, 402640, 460160, 503300, 575200, 629125, 644224, 719000, 805280, 1006600, 1150400, 1258250, 1438000, 1610560, 2013200, 2300800, 2516500, 2876000, 3221120, 4026400, 5033000, 5752000, 8052800, 10066000, 11504000, 16105600, 20132000, 40264000, 80528000]

約数ペア:

[(1, 80528000), (2, 40264000), (4, 20132000), (5, 16105600), (7, 11504000), (8, 10066000), (10, 8052800), (14, 5752000), (16, 5033000), (20, 4026400), (25, 3221120), (28, 2876000), (32, 2516500), (35, 2300800), (40, 2013200), (50, 1610560), (56, 1438000), (64, 1258250), (70, 1150400), (80, 1006600), (100, 805280), (112, 719000), (125, 644224), (128, 629125), (140, 575200), (160, 503300), (175, 460160), (200, 402640), (224, 359500), (250, 322112), (280, 287600), (320, 251650), (350, 230080), (400, 201320), (448, 179750), (500, 161056), (560, 143800), (640, 125825), (700, 115040), (719, 112000), (800, 100660), (875, 92032), (896, 89875), (1000, 80528), (1120, 71900), (1400, 57520), (1438, 56000), (1600, 50330), (1750, 46016), (2000, 40264), (2240, 35950), (2800, 28760), (2876, 28000), (3200, 25165), (3500, 23008), (3595, 22400), (4000, 20132), (4480, 17975), (5033, 16000), (5600, 14380), (5752, 14000), (7000, 11504), (7190, 11200), (8000, 10066)]