39281680

素因数分解:

$2^4\times 5^1\times {\mathrm{263}}^1\times {\mathrm{1867}}^1$

素因数の和:2143

約数の個数: 40

約数和(自身を含む): 91726272

約数和(自身を除く): 52444592

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 263, 526, 1052, 1315, 1867, 2104, 2630, 3734, 4208, 5260, 7468, 9335, 10520, 14936, 18670, 21040, 29872, 37340, 74680, 149360, 491021, 982042, 1964084, 2455105, 3928168, 4910210, 7856336, 9820420, 19640840, 39281680]

約数ペア:

[(1, 39281680), (2, 19640840), (4, 9820420), (5, 7856336), (8, 4910210), (10, 3928168), (16, 2455105), (20, 1964084), (40, 982042), (80, 491021), (263, 149360), (526, 74680), (1052, 37340), (1315, 29872), (1867, 21040), (2104, 18670), (2630, 14936), (3734, 10520), (4208, 9335), (5260, 7468)]