13305597700

素因数分解:

$2^2\times 5^2\times {\mathrm{199}}^1\times {\mathrm{668623}}^1$

素因数の和:668836

約数の個数: 36

約数和(自身を含む): 29018281600

約数和(自身を除く): 15712683900

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 199, 398, 796, 995, 1990, 3980, 4975, 9950, 19900, 668623, 1337246, 2674492, 3343115, 6686230, 13372460, 16715575, 33431150, 66862300, 133055977, 266111954, 532223908, 665279885, 1330559770, 2661119540, 3326399425, 6652798850, 13305597700]

約数ペア:

[(1, 13305597700), (2, 6652798850), (4, 3326399425), (5, 2661119540), (10, 1330559770), (20, 665279885), (25, 532223908), (50, 266111954), (100, 133055977), (199, 66862300), (398, 33431150), (796, 16715575), (995, 13372460), (1990, 6686230), (3980, 3343115), (4975, 2674492), (9950, 1337246), (19900, 668623)]