203516680

素因数分解:

$2^3\times 5^1\times {\mathrm{419}}^1\times {\mathrm{12143}}^1$

素因数の和:12573

約数の個数: 32

約数和(自身を含む): 459043200

約数和(自身を除く): 255526520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 419, 838, 1676, 2095, 3352, 4190, 8380, 12143, 16760, 24286, 48572, 60715, 97144, 121430, 242860, 485720, 5087917, 10175834, 20351668, 25439585, 40703336, 50879170, 101758340, 203516680]

約数ペア:

[(1, 203516680), (2, 101758340), (4, 50879170), (5, 40703336), (8, 25439585), (10, 20351668), (20, 10175834), (40, 5087917), (419, 485720), (838, 242860), (1676, 121430), (2095, 97144), (3352, 60715), (4190, 48572), (8380, 24286), (12143, 16760)]