40005368

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{1933}}^1$

素因数の和:2151

約数の個数: 32

約数和(自身を含む): 81228000

約数和(自身を除く): 41222632

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 199, 398, 796, 1592, 1933, 2587, 3866, 5174, 7732, 10348, 15464, 20696, 25129, 50258, 100516, 201032, 384667, 769334, 1538668, 3077336, 5000671, 10001342, 20002684, 40005368]

約数ペア:

[(1, 40005368), (2, 20002684), (4, 10001342), (8, 5000671), (13, 3077336), (26, 1538668), (52, 769334), (104, 384667), (199, 201032), (398, 100516), (796, 50258), (1592, 25129), (1933, 20696), (2587, 15464), (3866, 10348), (5174, 7732)]