1327880

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{373}}^1$

素因数の和:473

約数の個数: 32

約数和(自身を含む): 3029400

約数和(自身を除く): 1701520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 373, 445, 712, 746, 890, 1492, 1780, 1865, 2984, 3560, 3730, 7460, 14920, 33197, 66394, 132788, 165985, 265576, 331970, 663940, 1327880]

約数ペア:

[(1, 1327880), (2, 663940), (4, 331970), (5, 265576), (8, 165985), (10, 132788), (20, 66394), (40, 33197), (89, 14920), (178, 7460), (356, 3730), (373, 3560), (445, 2984), (712, 1865), (746, 1780), (890, 1492)]