161729360

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{155509}}^1$

素因数の和:155535

約数の個数: 40

約数和(自身を含む): 404948040

約数和(自身を除く): 243218680

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 155509, 311018, 622036, 777545, 1244072, 1555090, 2021617, 2488144, 3110180, 4043234, 6220360, 8086468, 10108085, 12440720, 16172936, 20216170, 32345872, 40432340, 80864680, 161729360]

約数ペア:

[(1, 161729360), (2, 80864680), (4, 40432340), (5, 32345872), (8, 20216170), (10, 16172936), (13, 12440720), (16, 10108085), (20, 8086468), (26, 6220360), (40, 4043234), (52, 3110180), (65, 2488144), (80, 2021617), (104, 1555090), (130, 1244072), (208, 777545), (260, 622036), (520, 311018), (1040, 155509)]