80948120

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{183973}}^1$

素因数の和:183995

約数の個数: 32

約数和(自身を含む): 198691920

約数和(自身を除く): 117743800

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 183973, 367946, 735892, 919865, 1471784, 1839730, 2023703, 3679460, 4047406, 7358920, 8094812, 10118515, 16189624, 20237030, 40474060, 80948120]

約数ペア:

[(1, 80948120), (2, 40474060), (4, 20237030), (5, 16189624), (8, 10118515), (10, 8094812), (11, 7358920), (20, 4047406), (22, 3679460), (40, 2023703), (44, 1839730), (55, 1471784), (88, 919865), (110, 735892), (220, 367946), (440, 183973)]