18324400

素因数分解:

$2^4\times 5^2\times {\mathrm{61}}^1\times {\mathrm{751}}^1$

素因数の和:830

約数の個数: 60

約数和(自身を含む): 44805664

約数和(自身を除く): 26481264

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 61, 80, 100, 122, 200, 244, 305, 400, 488, 610, 751, 976, 1220, 1502, 1525, 2440, 3004, 3050, 3755, 4880, 6008, 6100, 7510, 12016, 12200, 15020, 18775, 24400, 30040, 37550, 45811, 60080, 75100, 91622, 150200, 183244, 229055, 300400, 366488, 458110, 732976, 916220, 1145275, 1832440, 2290550, 3664880, 4581100, 9162200, 18324400]

約数ペア:

[(1, 18324400), (2, 9162200), (4, 4581100), (5, 3664880), (8, 2290550), (10, 1832440), (16, 1145275), (20, 916220), (25, 732976), (40, 458110), (50, 366488), (61, 300400), (80, 229055), (100, 183244), (122, 150200), (200, 91622), (244, 75100), (305, 60080), (400, 45811), (488, 37550), (610, 30040), (751, 24400), (976, 18775), (1220, 15020), (1502, 12200), (1525, 12016), (2440, 7510), (3004, 6100), (3050, 6008), (3755, 4880)]