80748200

素因数分解:

$2^3\times 5^2\times {\mathrm{13}}^2\times {\mathrm{2389}}^1$

素因数の和:2431

約数の個数: 72

約数和(自身を含む): 203377050

約数和(自身を除く): 122628850

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 50, 52, 65, 100, 104, 130, 169, 200, 260, 325, 338, 520, 650, 676, 845, 1300, 1352, 1690, 2389, 2600, 3380, 4225, 4778, 6760, 8450, 9556, 11945, 16900, 19112, 23890, 31057, 33800, 47780, 59725, 62114, 95560, 119450, 124228, 155285, 238900, 248456, 310570, 403741, 477800, 621140, 776425, 807482, 1242280, 1552850, 1614964, 2018705, 3105700, 3229928, 4037410, 6211400, 8074820, 10093525, 16149640, 20187050, 40374100, 80748200]

約数ペア:

[(1, 80748200), (2, 40374100), (4, 20187050), (5, 16149640), (8, 10093525), (10, 8074820), (13, 6211400), (20, 4037410), (25, 3229928), (26, 3105700), (40, 2018705), (50, 1614964), (52, 1552850), (65, 1242280), (100, 807482), (104, 776425), (130, 621140), (169, 477800), (200, 403741), (260, 310570), (325, 248456), (338, 238900), (520, 155285), (650, 124228), (676, 119450), (845, 95560), (1300, 62114), (1352, 59725), (1690, 47780), (2389, 33800), (2600, 31057), (3380, 23890), (4225, 19112), (4778, 16900), (6760, 11945), (8450, 9556)]