168448520

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{47317}}^1$

素因数の和:47417

約数の個数: 32

約数和(自身を含む): 383275800

約数和(自身を除く): 214827280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 445, 712, 890, 1780, 3560, 47317, 94634, 189268, 236585, 378536, 473170, 946340, 1892680, 4211213, 8422426, 16844852, 21056065, 33689704, 42112130, 84224260, 168448520]

約数ペア:

[(1, 168448520), (2, 84224260), (4, 42112130), (5, 33689704), (8, 21056065), (10, 16844852), (20, 8422426), (40, 4211213), (89, 1892680), (178, 946340), (356, 473170), (445, 378536), (712, 236585), (890, 189268), (1780, 94634), (3560, 47317)]