72020488

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{2381}}^1$

素因数の和:2605

約数の個数: 32

約数和(自身を含む): 142920000

約数和(自身を除く): 70899512

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 199, 398, 796, 1592, 2381, 3781, 4762, 7562, 9524, 15124, 19048, 30248, 45239, 90478, 180956, 361912, 473819, 947638, 1895276, 3790552, 9002561, 18005122, 36010244, 72020488]

約数ペア:

[(1, 72020488), (2, 36010244), (4, 18005122), (8, 9002561), (19, 3790552), (38, 1895276), (76, 947638), (152, 473819), (199, 361912), (398, 180956), (796, 90478), (1592, 45239), (2381, 30248), (3781, 19048), (4762, 15124), (7562, 9524)]