40820104

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{389}}^1\times {\mathrm{1009}}^1$

素因数の和:1417

約数の個数: 32

約数和(自身を含む): 82719000

約数和(自身を除く): 41898896

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 389, 778, 1009, 1556, 2018, 3112, 4036, 5057, 8072, 10114, 13117, 20228, 26234, 40456, 52468, 104936, 392501, 785002, 1570004, 3140008, 5102513, 10205026, 20410052, 40820104]

約数ペア:

[(1, 40820104), (2, 20410052), (4, 10205026), (8, 5102513), (13, 3140008), (26, 1570004), (52, 785002), (104, 392501), (389, 104936), (778, 52468), (1009, 40456), (1556, 26234), (2018, 20228), (3112, 13117), (4036, 10114), (5057, 8072)]