2728225840

素因数分解:

$2^4\times 5^1\times {\mathrm{6947}}^1\times {\mathrm{4909}}^1$

素因数の和:11869

約数の個数: 40

約数和(自身を含む): 6345330480

約数和(自身を除く): 3617104640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 4909, 6947, 9818, 13894, 19636, 24545, 27788, 34735, 39272, 49090, 55576, 69470, 78544, 98180, 111152, 138940, 196360, 277880, 392720, 555760, 34102823, 68205646, 136411292, 170514115, 272822584, 341028230, 545645168, 682056460, 1364112920, 2728225840]

約数ペア:

[(1, 2728225840), (2, 1364112920), (4, 682056460), (5, 545645168), (8, 341028230), (10, 272822584), (16, 170514115), (20, 136411292), (40, 68205646), (80, 34102823), (4909, 555760), (6947, 392720), (9818, 277880), (13894, 196360), (19636, 138940), (24545, 111152), (27788, 98180), (34735, 78544), (39272, 69470), (49090, 55576)]