39409760

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{18947}}^1$

素因数の和:18975

約数の個数: 48

約数和(自身を含む): 100272816

約数和(自身を除く): 60863056

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 208, 260, 416, 520, 1040, 2080, 18947, 37894, 75788, 94735, 151576, 189470, 246311, 303152, 378940, 492622, 606304, 757880, 985244, 1231555, 1515760, 1970488, 2463110, 3031520, 3940976, 4926220, 7881952, 9852440, 19704880, 39409760]

約数ペア:

[(1, 39409760), (2, 19704880), (4, 9852440), (5, 7881952), (8, 4926220), (10, 3940976), (13, 3031520), (16, 2463110), (20, 1970488), (26, 1515760), (32, 1231555), (40, 985244), (52, 757880), (65, 606304), (80, 492622), (104, 378940), (130, 303152), (160, 246311), (208, 189470), (260, 151576), (416, 94735), (520, 75788), (1040, 37894), (2080, 18947)]