2008009870

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{127331}}^1$

素因数の和:127440

約数の個数: 32

約数和(自身を含む): 3850519680

約数和(自身を除く): 1842509810

約数列:

[1, 2, 5, 10, 19, 38, 83, 95, 166, 190, 415, 830, 1577, 3154, 7885, 15770, 127331, 254662, 636655, 1273310, 2419289, 4838578, 10568473, 12096445, 21136946, 24192890, 52842365, 105684730, 200800987, 401601974, 1004004935, 2008009870]

約数ペア:

[(1, 2008009870), (2, 1004004935), (5, 401601974), (10, 200800987), (19, 105684730), (38, 52842365), (83, 24192890), (95, 21136946), (166, 12096445), (190, 10568473), (415, 4838578), (830, 2419289), (1577, 1273310), (3154, 636655), (7885, 254662), (15770, 127331)]