8269880

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{101}}^1$

素因数の和:224

約数の個数: 64

約数和(自身を含む): 19828800

約数和(自身を除く): 11558920

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 89, 92, 101, 115, 178, 184, 202, 230, 356, 404, 445, 460, 505, 712, 808, 890, 920, 1010, 1780, 2020, 2047, 2323, 3560, 4040, 4094, 4646, 8188, 8989, 9292, 10235, 11615, 16376, 17978, 18584, 20470, 23230, 35956, 40940, 44945, 46460, 71912, 81880, 89890, 92920, 179780, 206747, 359560, 413494, 826988, 1033735, 1653976, 2067470, 4134940, 8269880]

約数ペア:

[(1, 8269880), (2, 4134940), (4, 2067470), (5, 1653976), (8, 1033735), (10, 826988), (20, 413494), (23, 359560), (40, 206747), (46, 179780), (89, 92920), (92, 89890), (101, 81880), (115, 71912), (178, 46460), (184, 44945), (202, 40940), (230, 35956), (356, 23230), (404, 20470), (445, 18584), (460, 17978), (505, 16376), (712, 11615), (808, 10235), (890, 9292), (920, 8989), (1010, 8188), (1780, 4646), (2020, 4094), (2047, 4040), (2323, 3560)]