51688650

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{13}}^2\times {\mathrm{2039}}^1$

素因数の和:2080

約数の個数: 72

約数和(自身を含む): 138875040

約数和(自身を除く): 87186390

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 25, 26, 30, 39, 50, 65, 75, 78, 130, 150, 169, 195, 325, 338, 390, 507, 650, 845, 975, 1014, 1690, 1950, 2039, 2535, 4078, 4225, 5070, 6117, 8450, 10195, 12234, 12675, 20390, 25350, 26507, 30585, 50975, 53014, 61170, 79521, 101950, 132535, 152925, 159042, 265070, 305850, 344591, 397605, 662675, 689182, 795210, 1033773, 1325350, 1722955, 1988025, 2067546, 3445910, 3976050, 5168865, 8614775, 10337730, 17229550, 25844325, 51688650]

約数ペア:

[(1, 51688650), (2, 25844325), (3, 17229550), (5, 10337730), (6, 8614775), (10, 5168865), (13, 3976050), (15, 3445910), (25, 2067546), (26, 1988025), (30, 1722955), (39, 1325350), (50, 1033773), (65, 795210), (75, 689182), (78, 662675), (130, 397605), (150, 344591), (169, 305850), (195, 265070), (325, 159042), (338, 152925), (390, 132535), (507, 101950), (650, 79521), (845, 61170), (975, 53014), (1014, 50975), (1690, 30585), (1950, 26507), (2039, 25350), (2535, 20390), (4078, 12675), (4225, 12234), (5070, 10195), (6117, 8450)]