40129900

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{21121}}^1$

素因数の和:21154

約数の個数: 36

約数和(自身を含む): 91669480

約数和(自身を除く): 51539580

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 190, 380, 475, 950, 1900, 21121, 42242, 84484, 105605, 211210, 401299, 422420, 528025, 802598, 1056050, 1605196, 2006495, 2112100, 4012990, 8025980, 10032475, 20064950, 40129900]

約数ペア:

[(1, 40129900), (2, 20064950), (4, 10032475), (5, 8025980), (10, 4012990), (19, 2112100), (20, 2006495), (25, 1605196), (38, 1056050), (50, 802598), (76, 528025), (95, 422420), (100, 401299), (190, 211210), (380, 105605), (475, 84484), (950, 42242), (1900, 21121)]