78770320

素因数分解:

$2^4\times 5^1\times {\mathrm{83}}^1\times {\mathrm{11863}}^1$

素因数の和:11959

約数の個数: 40

約数和(自身を含む): 185363136

約数和(自身を除く): 106592816

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 83, 166, 332, 415, 664, 830, 1328, 1660, 3320, 6640, 11863, 23726, 47452, 59315, 94904, 118630, 189808, 237260, 474520, 949040, 984629, 1969258, 3938516, 4923145, 7877032, 9846290, 15754064, 19692580, 39385160, 78770320]

約数ペア:

[(1, 78770320), (2, 39385160), (4, 19692580), (5, 15754064), (8, 9846290), (10, 7877032), (16, 4923145), (20, 3938516), (40, 1969258), (80, 984629), (83, 949040), (166, 474520), (332, 237260), (415, 189808), (664, 118630), (830, 94904), (1328, 59315), (1660, 47452), (3320, 23726), (6640, 11863)]