78141640

素因数分解:

$2^3\times 5^1\times {\mathrm{367}}^1\times {\mathrm{5323}}^1$

素因数の和:5701

約数の個数: 32

約数和(自身を含む): 176330880

約数和(自身を除く): 98189240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 367, 734, 1468, 1835, 2936, 3670, 5323, 7340, 10646, 14680, 21292, 26615, 42584, 53230, 106460, 212920, 1953541, 3907082, 7814164, 9767705, 15628328, 19535410, 39070820, 78141640]

約数ペア:

[(1, 78141640), (2, 39070820), (4, 19535410), (5, 15628328), (8, 9767705), (10, 7814164), (20, 3907082), (40, 1953541), (367, 212920), (734, 106460), (1468, 53230), (1835, 42584), (2936, 26615), (3670, 21292), (5323, 14680), (7340, 10646)]