881178160

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{155137}}^1$

素因数の和:155221

約数の個数: 40

約数和(自身を含む): 2077608096

約数和(自身を除く): 1196429936

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 142, 284, 355, 568, 710, 1136, 1420, 2840, 5680, 155137, 310274, 620548, 775685, 1241096, 1551370, 2482192, 3102740, 6205480, 11014727, 12410960, 22029454, 44058908, 55073635, 88117816, 110147270, 176235632, 220294540, 440589080, 881178160]

約数ペア:

[(1, 881178160), (2, 440589080), (4, 220294540), (5, 176235632), (8, 110147270), (10, 88117816), (16, 55073635), (20, 44058908), (40, 22029454), (71, 12410960), (80, 11014727), (142, 6205480), (284, 3102740), (355, 2482192), (568, 1551370), (710, 1241096), (1136, 775685), (1420, 620548), (2840, 310274), (5680, 155137)]