202280

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{389}}^1$

素因数の和:413

約数の個数: 32

約数和(自身を含む): 491400

約数和(自身を除く): 289120

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 389, 520, 778, 1556, 1945, 3112, 3890, 5057, 7780, 10114, 15560, 20228, 25285, 40456, 50570, 101140, 202280]

約数ペア:

[(1, 202280), (2, 101140), (4, 50570), (5, 40456), (8, 25285), (10, 20228), (13, 15560), (20, 10114), (26, 7780), (40, 5057), (52, 3890), (65, 3112), (104, 1945), (130, 1556), (260, 778), (389, 520)]