40780400

素因数分解:

$2^4\times 5^2\times {\mathrm{269}}^1\times {\mathrm{379}}^1$

素因数の和:666

約数の個数: 60

約数和(自身を含む): 98598600

約数和(自身を除く): 57818200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 269, 379, 400, 538, 758, 1076, 1345, 1516, 1895, 2152, 2690, 3032, 3790, 4304, 5380, 6064, 6725, 7580, 9475, 10760, 13450, 15160, 18950, 21520, 26900, 30320, 37900, 53800, 75800, 101951, 107600, 151600, 203902, 407804, 509755, 815608, 1019510, 1631216, 2039020, 2548775, 4078040, 5097550, 8156080, 10195100, 20390200, 40780400]

約数ペア:

[(1, 40780400), (2, 20390200), (4, 10195100), (5, 8156080), (8, 5097550), (10, 4078040), (16, 2548775), (20, 2039020), (25, 1631216), (40, 1019510), (50, 815608), (80, 509755), (100, 407804), (200, 203902), (269, 151600), (379, 107600), (400, 101951), (538, 75800), (758, 53800), (1076, 37900), (1345, 30320), (1516, 26900), (1895, 21520), (2152, 18950), (2690, 15160), (3032, 13450), (3790, 10760), (4304, 9475), (5380, 7580), (6064, 6725)]