80168120

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{48883}}^1$

素因数の和:48935

約数の個数: 32

約数和(自身を含む): 184781520

約数和(自身を除く): 104613400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 48883, 97766, 195532, 244415, 391064, 488830, 977660, 1955320, 2004203, 4008406, 8016812, 10021015, 16033624, 20042030, 40084060, 80168120]

約数ペア:

[(1, 80168120), (2, 40084060), (4, 20042030), (5, 16033624), (8, 10021015), (10, 8016812), (20, 4008406), (40, 2004203), (41, 1955320), (82, 977660), (164, 488830), (205, 391064), (328, 244415), (410, 195532), (820, 97766), (1640, 48883)]