215516080

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{207227}}^1$

素因数の和:207253

約数の個数: 40

約数和(自身を含む): 539621712

約数和(自身を除く): 324105632

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 207227, 414454, 828908, 1036135, 1657816, 2072270, 2693951, 3315632, 4144540, 5387902, 8289080, 10775804, 13469755, 16578160, 21551608, 26939510, 43103216, 53879020, 107758040, 215516080]

約数ペア:

[(1, 215516080), (2, 107758040), (4, 53879020), (5, 43103216), (8, 26939510), (10, 21551608), (13, 16578160), (16, 13469755), (20, 10775804), (26, 8289080), (40, 5387902), (52, 4144540), (65, 3315632), (80, 2693951), (104, 2072270), (130, 1657816), (208, 1036135), (260, 828908), (520, 414454), (1040, 207227)]