22428520

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{7681}}^1$

素因数の和:7765

約数の個数: 32

約数和(自身を含む): 51162120

約数和(自身を除く): 28733600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 146, 292, 365, 584, 730, 1460, 2920, 7681, 15362, 30724, 38405, 61448, 76810, 153620, 307240, 560713, 1121426, 2242852, 2803565, 4485704, 5607130, 11214260, 22428520]

約数ペア:

[(1, 22428520), (2, 11214260), (4, 5607130), (5, 4485704), (8, 2803565), (10, 2242852), (20, 1121426), (40, 560713), (73, 307240), (146, 153620), (292, 76810), (365, 61448), (584, 38405), (730, 30724), (1460, 15362), (2920, 7681)]