158004400

素因数分解:

$2^4\times 5^2\times {\mathrm{101}}^1\times {\mathrm{3911}}^1$

素因数の和:4030

約数の個数: 60

約数和(自身を含む): 383462064

約数和(自身を除く): 225457664

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 101, 200, 202, 400, 404, 505, 808, 1010, 1616, 2020, 2525, 3911, 4040, 5050, 7822, 8080, 10100, 15644, 19555, 20200, 31288, 39110, 40400, 62576, 78220, 97775, 156440, 195550, 312880, 391100, 395011, 782200, 790022, 1564400, 1580044, 1975055, 3160088, 3950110, 6320176, 7900220, 9875275, 15800440, 19750550, 31600880, 39501100, 79002200, 158004400]

約数ペア:

[(1, 158004400), (2, 79002200), (4, 39501100), (5, 31600880), (8, 19750550), (10, 15800440), (16, 9875275), (20, 7900220), (25, 6320176), (40, 3950110), (50, 3160088), (80, 1975055), (100, 1580044), (101, 1564400), (200, 790022), (202, 782200), (400, 395011), (404, 391100), (505, 312880), (808, 195550), (1010, 156440), (1616, 97775), (2020, 78220), (2525, 62576), (3911, 40400), (4040, 39110), (5050, 31288), (7822, 20200), (8080, 19555), (10100, 15644)]