22390520

素因数分解:

$2^3\times 5^1\times {\mathrm{131}}^1\times {\mathrm{4273}}^1$

素因数の和:4415

約数の個数: 32

約数和(自身を含む): 50775120

約数和(自身を除く): 28384600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 131, 262, 524, 655, 1048, 1310, 2620, 4273, 5240, 8546, 17092, 21365, 34184, 42730, 85460, 170920, 559763, 1119526, 2239052, 2798815, 4478104, 5597630, 11195260, 22390520]

約数ペア:

[(1, 22390520), (2, 11195260), (4, 5597630), (5, 4478104), (8, 2798815), (10, 2239052), (20, 1119526), (40, 559763), (131, 170920), (262, 85460), (524, 42730), (655, 34184), (1048, 21365), (1310, 17092), (2620, 8546), (4273, 5240)]