12808720

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{5521}}^1$

素因数の和:5563

約数の個数: 40

約数和(自身を含む): 30812760

約数和(自身を除く): 18004040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 80, 116, 145, 232, 290, 464, 580, 1160, 2320, 5521, 11042, 22084, 27605, 44168, 55210, 88336, 110420, 160109, 220840, 320218, 441680, 640436, 800545, 1280872, 1601090, 2561744, 3202180, 6404360, 12808720]

約数ペア:

[(1, 12808720), (2, 6404360), (4, 3202180), (5, 2561744), (8, 1601090), (10, 1280872), (16, 800545), (20, 640436), (29, 441680), (40, 320218), (58, 220840), (80, 160109), (116, 110420), (145, 88336), (232, 55210), (290, 44168), (464, 27605), (580, 22084), (1160, 11042), (2320, 5521)]