2013000040

素因数分解:

$2^3\times 5^1\times {\mathrm{2609}}^1\times {\mathrm{19289}}^1$

素因数の和:21909

約数の個数: 32

約数和(自身を含む): 4531221000

約数和(自身を除く): 2518220960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2609, 5218, 10436, 13045, 19289, 20872, 26090, 38578, 52180, 77156, 96445, 104360, 154312, 192890, 385780, 771560, 50325001, 100650002, 201300004, 251625005, 402600008, 503250010, 1006500020, 2013000040]

約数ペア:

[(1, 2013000040), (2, 1006500020), (4, 503250010), (5, 402600008), (8, 251625005), (10, 201300004), (20, 100650002), (40, 50325001), (2609, 771560), (5218, 385780), (10436, 192890), (13045, 154312), (19289, 104360), (20872, 96445), (26090, 77156), (38578, 52180)]