1328856880

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{10061}}^1$

素因数の和:10214

約数の個数: 80

約数和(自身を含む): 3353785344

約数和(自身を除く): 2024928464

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 127, 130, 208, 254, 260, 508, 520, 635, 1016, 1040, 1270, 1651, 2032, 2540, 3302, 5080, 6604, 8255, 10061, 10160, 13208, 16510, 20122, 26416, 33020, 40244, 50305, 66040, 80488, 100610, 130793, 132080, 160976, 201220, 261586, 402440, 523172, 653965, 804880, 1046344, 1277747, 1307930, 2092688, 2555494, 2615860, 5110988, 5231720, 6388735, 10221976, 10463440, 12777470, 16610711, 20443952, 25554940, 33221422, 51109880, 66442844, 83053555, 102219760, 132885688, 166107110, 265771376, 332214220, 664428440, 1328856880]

約数ペア:

[(1, 1328856880), (2, 664428440), (4, 332214220), (5, 265771376), (8, 166107110), (10, 132885688), (13, 102219760), (16, 83053555), (20, 66442844), (26, 51109880), (40, 33221422), (52, 25554940), (65, 20443952), (80, 16610711), (104, 12777470), (127, 10463440), (130, 10221976), (208, 6388735), (254, 5231720), (260, 5110988), (508, 2615860), (520, 2555494), (635, 2092688), (1016, 1307930), (1040, 1277747), (1270, 1046344), (1651, 804880), (2032, 653965), (2540, 523172), (3302, 402440), (5080, 261586), (6604, 201220), (8255, 160976), (10061, 132080), (10160, 130793), (13208, 100610), (16510, 80488), (20122, 66040), (26416, 50305), (33020, 40244)]