28413520

素因数分解:

$2^4\times 5^1\times {\mathrm{173}}^1\times {\mathrm{2053}}^1$

素因数の和:2239

約数の個数: 40

約数和(自身を含む): 66475656

約数和(自身を除く): 38062136

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 173, 346, 692, 865, 1384, 1730, 2053, 2768, 3460, 4106, 6920, 8212, 10265, 13840, 16424, 20530, 32848, 41060, 82120, 164240, 355169, 710338, 1420676, 1775845, 2841352, 3551690, 5682704, 7103380, 14206760, 28413520]

約数ペア:

[(1, 28413520), (2, 14206760), (4, 7103380), (5, 5682704), (8, 3551690), (10, 2841352), (16, 1775845), (20, 1420676), (40, 710338), (80, 355169), (173, 164240), (346, 82120), (692, 41060), (865, 32848), (1384, 20530), (1730, 16424), (2053, 13840), (2768, 10265), (3460, 8212), (4106, 6920)]