80246540

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{15859}}^1$

素因数の和:15902

約数の個数: 48

約数和(自身を含む): 191842560

約数和(自身を除く): 111596020

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 23, 44, 46, 55, 92, 110, 115, 220, 230, 253, 460, 506, 1012, 1265, 2530, 5060, 15859, 31718, 63436, 79295, 158590, 174449, 317180, 348898, 364757, 697796, 729514, 872245, 1459028, 1744490, 1823785, 3488980, 3647570, 4012327, 7295140, 8024654, 16049308, 20061635, 40123270, 80246540]

約数ペア:

[(1, 80246540), (2, 40123270), (4, 20061635), (5, 16049308), (10, 8024654), (11, 7295140), (20, 4012327), (22, 3647570), (23, 3488980), (44, 1823785), (46, 1744490), (55, 1459028), (92, 872245), (110, 729514), (115, 697796), (220, 364757), (230, 348898), (253, 317180), (460, 174449), (506, 158590), (1012, 79295), (1265, 63436), (2530, 31718), (5060, 15859)]