51075700

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{389}}^1$

素因数の和:517

約数の個数: 72

約数和(自身を含む): 120851640

約数和(自身を除く): 69775940

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 101, 130, 202, 260, 325, 389, 404, 505, 650, 778, 1010, 1300, 1313, 1556, 1945, 2020, 2525, 2626, 3890, 5050, 5057, 5252, 6565, 7780, 9725, 10100, 10114, 13130, 19450, 20228, 25285, 26260, 32825, 38900, 39289, 50570, 65650, 78578, 101140, 126425, 131300, 157156, 196445, 252850, 392890, 505700, 510757, 785780, 982225, 1021514, 1964450, 2043028, 2553785, 3928900, 5107570, 10215140, 12768925, 25537850, 51075700]

約数ペア:

[(1, 51075700), (2, 25537850), (4, 12768925), (5, 10215140), (10, 5107570), (13, 3928900), (20, 2553785), (25, 2043028), (26, 1964450), (50, 1021514), (52, 982225), (65, 785780), (100, 510757), (101, 505700), (130, 392890), (202, 252850), (260, 196445), (325, 157156), (389, 131300), (404, 126425), (505, 101140), (650, 78578), (778, 65650), (1010, 50570), (1300, 39289), (1313, 38900), (1556, 32825), (1945, 26260), (2020, 25285), (2525, 20228), (2626, 19450), (3890, 13130), (5050, 10114), (5057, 10100), (5252, 9725), (6565, 7780)]