1268511400

素因数分解:

$2^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{487889}}^1$

素因数の和:487918

約数の個数: 48

約数和(自身を含む): 3176163900

約数和(自身を除く): 1907652500

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 50, 52, 65, 100, 104, 130, 200, 260, 325, 520, 650, 1300, 2600, 487889, 975778, 1951556, 2439445, 3903112, 4878890, 6342557, 9757780, 12197225, 12685114, 19515560, 24394450, 25370228, 31712785, 48788900, 50740456, 63425570, 97577800, 126851140, 158563925, 253702280, 317127850, 634255700, 1268511400]

約数ペア:

[(1, 1268511400), (2, 634255700), (4, 317127850), (5, 253702280), (8, 158563925), (10, 126851140), (13, 97577800), (20, 63425570), (25, 50740456), (26, 48788900), (40, 31712785), (50, 25370228), (52, 24394450), (65, 19515560), (100, 12685114), (104, 12197225), (130, 9757780), (200, 6342557), (260, 4878890), (325, 3903112), (520, 2439445), (650, 1951556), (1300, 975778), (2600, 487889)]