129558400

素因数分解:

$2^7\times 5^2\times {\mathrm{40487}}^1$

素因数の和:40511

約数の個数: 48

約数和(自身を含む): 320057640

約数和(自身を除く): 190499240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 128, 160, 200, 320, 400, 640, 800, 1600, 3200, 40487, 80974, 161948, 202435, 323896, 404870, 647792, 809740, 1012175, 1295584, 1619480, 2024350, 2591168, 3238960, 4048700, 5182336, 6477920, 8097400, 12955840, 16194800, 25911680, 32389600, 64779200, 129558400]

約数ペア:

[(1, 129558400), (2, 64779200), (4, 32389600), (5, 25911680), (8, 16194800), (10, 12955840), (16, 8097400), (20, 6477920), (25, 5182336), (32, 4048700), (40, 3238960), (50, 2591168), (64, 2024350), (80, 1619480), (100, 1295584), (128, 1012175), (160, 809740), (200, 647792), (320, 404870), (400, 323896), (640, 202435), (800, 161948), (1600, 80974), (3200, 40487)]