814706720

素因数分解:

$2^5\times 5^1\times {\mathrm{643}}^1\times {\mathrm{7919}}^1$

素因数の和:8577

約数の個数: 48

約数和(自身を含む): 1927981440

約数和(自身を除く): 1113274720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 643, 1286, 2572, 3215, 5144, 6430, 7919, 10288, 12860, 15838, 20576, 25720, 31676, 39595, 51440, 63352, 79190, 102880, 126704, 158380, 253408, 316760, 633520, 1267040, 5091917, 10183834, 20367668, 25459585, 40735336, 50919170, 81470672, 101838340, 162941344, 203676680, 407353360, 814706720]

約数ペア:

[(1, 814706720), (2, 407353360), (4, 203676680), (5, 162941344), (8, 101838340), (10, 81470672), (16, 50919170), (20, 40735336), (32, 25459585), (40, 20367668), (80, 10183834), (160, 5091917), (643, 1267040), (1286, 633520), (2572, 316760), (3215, 253408), (5144, 158380), (6430, 126704), (7919, 102880), (10288, 79190), (12860, 63352), (15838, 51440), (20576, 39595), (25720, 31676)]