80977240

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{2267}}^1$

素因数の和:2344

約数の個数: 64

約数和(自身を含む): 195955200

約数和(自身を除く): 114977960

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 47, 76, 94, 95, 152, 188, 190, 235, 376, 380, 470, 760, 893, 940, 1786, 1880, 2267, 3572, 4465, 4534, 7144, 8930, 9068, 11335, 17860, 18136, 22670, 35720, 43073, 45340, 86146, 90680, 106549, 172292, 213098, 215365, 344584, 426196, 430730, 532745, 852392, 861460, 1065490, 1722920, 2024431, 2130980, 4048862, 4261960, 8097724, 10122155, 16195448, 20244310, 40488620, 80977240]

約数ペア:

[(1, 80977240), (2, 40488620), (4, 20244310), (5, 16195448), (8, 10122155), (10, 8097724), (19, 4261960), (20, 4048862), (38, 2130980), (40, 2024431), (47, 1722920), (76, 1065490), (94, 861460), (95, 852392), (152, 532745), (188, 430730), (190, 426196), (235, 344584), (376, 215365), (380, 213098), (470, 172292), (760, 106549), (893, 90680), (940, 86146), (1786, 45340), (1880, 43073), (2267, 35720), (3572, 22670), (4465, 18136), (4534, 17860), (7144, 11335), (8930, 9068)]