22554500

素因数分解:

$2^2\times 5^3\times {\mathrm{79}}^1\times {\mathrm{571}}^1$

素因数の和:669

約数の個数: 48

約数和(自身を含む): 49969920

約数和(自身を除く): 27415420

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 79, 100, 125, 158, 250, 316, 395, 500, 571, 790, 1142, 1580, 1975, 2284, 2855, 3950, 5710, 7900, 9875, 11420, 14275, 19750, 28550, 39500, 45109, 57100, 71375, 90218, 142750, 180436, 225545, 285500, 451090, 902180, 1127725, 2255450, 4510900, 5638625, 11277250, 22554500]

約数ペア:

[(1, 22554500), (2, 11277250), (4, 5638625), (5, 4510900), (10, 2255450), (20, 1127725), (25, 902180), (50, 451090), (79, 285500), (100, 225545), (125, 180436), (158, 142750), (250, 90218), (316, 71375), (395, 57100), (500, 45109), (571, 39500), (790, 28550), (1142, 19750), (1580, 14275), (1975, 11420), (2284, 9875), (2855, 7900), (3950, 5710)]