78401360

素因数分解:

$2^4\times 5^1\times {\mathrm{743}}^1\times {\mathrm{1319}}^1$

素因数の和:2075

約数の個数: 40

約数和(自身を含む): 182666880

約数和(自身を除く): 104265520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 743, 1319, 1486, 2638, 2972, 3715, 5276, 5944, 6595, 7430, 10552, 11888, 13190, 14860, 21104, 26380, 29720, 52760, 59440, 105520, 980017, 1960034, 3920068, 4900085, 7840136, 9800170, 15680272, 19600340, 39200680, 78401360]

約数ペア:

[(1, 78401360), (2, 39200680), (4, 19600340), (5, 15680272), (8, 9800170), (10, 7840136), (16, 4900085), (20, 3920068), (40, 1960034), (80, 980017), (743, 105520), (1319, 59440), (1486, 52760), (2638, 29720), (2972, 26380), (3715, 21104), (5276, 14860), (5944, 13190), (6595, 11888), (7430, 10552)]