28647800

素因数分解:

$2^3\times 5^2\times {\mathrm{143239}}^1$

素因数の和:143255

約数の個数: 24

約数和(自身を含む): 66606600

約数和(自身を除く): 37958800

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 143239, 286478, 572956, 716195, 1145912, 1432390, 2864780, 3580975, 5729560, 7161950, 14323900, 28647800]

約数ペア:

[(1, 28647800), (2, 14323900), (4, 7161950), (5, 5729560), (8, 3580975), (10, 2864780), (20, 1432390), (25, 1145912), (40, 716195), (50, 572956), (100, 286478), (200, 143239)]