78580760

素因数分解:

$2^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{19073}}^1$

素因数の和:19187

約数の個数: 32

約数和(自身を含む): 178532640

約数和(自身を除く): 99951880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 103, 206, 412, 515, 824, 1030, 2060, 4120, 19073, 38146, 76292, 95365, 152584, 190730, 381460, 762920, 1964519, 3929038, 7858076, 9822595, 15716152, 19645190, 39290380, 78580760]

約数ペア:

[(1, 78580760), (2, 39290380), (4, 19645190), (5, 15716152), (8, 9822595), (10, 7858076), (20, 3929038), (40, 1964519), (103, 762920), (206, 381460), (412, 190730), (515, 152584), (824, 95365), (1030, 76292), (2060, 38146), (4120, 19073)]