12641680

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{5449}}^1$

素因数の和:5491

約数の個数: 40

約数和(自身を含む): 30411000

約数和(自身を除く): 17769320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 80, 116, 145, 232, 290, 464, 580, 1160, 2320, 5449, 10898, 21796, 27245, 43592, 54490, 87184, 108980, 158021, 217960, 316042, 435920, 632084, 790105, 1264168, 1580210, 2528336, 3160420, 6320840, 12641680]

約数ペア:

[(1, 12641680), (2, 6320840), (4, 3160420), (5, 2528336), (8, 1580210), (10, 1264168), (16, 790105), (20, 632084), (29, 435920), (40, 316042), (58, 217960), (80, 158021), (116, 108980), (145, 87184), (232, 54490), (290, 43592), (464, 27245), (580, 21796), (1160, 10898), (2320, 5449)]