39482180

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{541}}^1$

素因数の和:680

約数の個数: 48

約数和(自身を含む): 86047920

約数和(自身を除く): 46565740

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 89, 164, 178, 205, 356, 410, 445, 541, 820, 890, 1082, 1780, 2164, 2705, 3649, 5410, 7298, 10820, 14596, 18245, 22181, 36490, 44362, 48149, 72980, 88724, 96298, 110905, 192596, 221810, 240745, 443620, 481490, 962980, 1974109, 3948218, 7896436, 9870545, 19741090, 39482180]

約数ペア:

[(1, 39482180), (2, 19741090), (4, 9870545), (5, 7896436), (10, 3948218), (20, 1974109), (41, 962980), (82, 481490), (89, 443620), (164, 240745), (178, 221810), (205, 192596), (356, 110905), (410, 96298), (445, 88724), (541, 72980), (820, 48149), (890, 44362), (1082, 36490), (1780, 22181), (2164, 18245), (2705, 14596), (3649, 10820), (5410, 7298)]