12400400

素因数分解:

$2^4\times 5^2\times {\mathrm{29}}^1\times {\mathrm{1069}}^1$

素因数の和:1116

約数の個数: 60

約数和(自身を含む): 30848100

約数和(自身を除く): 18447700

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 29, 40, 50, 58, 80, 100, 116, 145, 200, 232, 290, 400, 464, 580, 725, 1069, 1160, 1450, 2138, 2320, 2900, 4276, 5345, 5800, 8552, 10690, 11600, 17104, 21380, 26725, 31001, 42760, 53450, 62002, 85520, 106900, 124004, 155005, 213800, 248008, 310010, 427600, 496016, 620020, 775025, 1240040, 1550050, 2480080, 3100100, 6200200, 12400400]

約数ペア:

[(1, 12400400), (2, 6200200), (4, 3100100), (5, 2480080), (8, 1550050), (10, 1240040), (16, 775025), (20, 620020), (25, 496016), (29, 427600), (40, 310010), (50, 248008), (58, 213800), (80, 155005), (100, 124004), (116, 106900), (145, 85520), (200, 62002), (232, 53450), (290, 42760), (400, 31001), (464, 26725), (580, 21380), (725, 17104), (1069, 11600), (1160, 10690), (1450, 8552), (2138, 5800), (2320, 5345), (2900, 4276)]