39878740

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{1663}}^1$

素因数の和:1792

約数の個数: 48

約数和(自身を含む): 92252160

約数和(自身を除く): 52373420

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 109, 110, 218, 220, 436, 545, 1090, 1199, 1663, 2180, 2398, 3326, 4796, 5995, 6652, 8315, 11990, 16630, 18293, 23980, 33260, 36586, 73172, 91465, 181267, 182930, 362534, 365860, 725068, 906335, 1812670, 1993937, 3625340, 3987874, 7975748, 9969685, 19939370, 39878740]

約数ペア:

[(1, 39878740), (2, 19939370), (4, 9969685), (5, 7975748), (10, 3987874), (11, 3625340), (20, 1993937), (22, 1812670), (44, 906335), (55, 725068), (109, 365860), (110, 362534), (218, 182930), (220, 181267), (436, 91465), (545, 73172), (1090, 36586), (1199, 33260), (1663, 23980), (2180, 18293), (2398, 16630), (3326, 11990), (4796, 8315), (5995, 6652)]