40839200

素因数分解:

$2^5\times 5^2\times {\mathrm{71}}^1\times {\mathrm{719}}^1$

素因数の和:810

約数の個数: 72

約数和(自身を含む): 101243520

約数和(自身を除く): 60404320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 71, 80, 100, 142, 160, 200, 284, 355, 400, 568, 710, 719, 800, 1136, 1420, 1438, 1775, 2272, 2840, 2876, 3550, 3595, 5680, 5752, 7100, 7190, 11360, 11504, 14200, 14380, 17975, 23008, 28400, 28760, 35950, 51049, 56800, 57520, 71900, 102098, 115040, 143800, 204196, 255245, 287600, 408392, 510490, 575200, 816784, 1020980, 1276225, 1633568, 2041960, 2552450, 4083920, 5104900, 8167840, 10209800, 20419600, 40839200]

約数ペア:

[(1, 40839200), (2, 20419600), (4, 10209800), (5, 8167840), (8, 5104900), (10, 4083920), (16, 2552450), (20, 2041960), (25, 1633568), (32, 1276225), (40, 1020980), (50, 816784), (71, 575200), (80, 510490), (100, 408392), (142, 287600), (160, 255245), (200, 204196), (284, 143800), (355, 115040), (400, 102098), (568, 71900), (710, 57520), (719, 56800), (800, 51049), (1136, 35950), (1420, 28760), (1438, 28400), (1775, 23008), (2272, 17975), (2840, 14380), (2876, 14200), (3550, 11504), (3595, 11360), (5680, 7190), (5752, 7100)]