13380560

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{8803}}^1$

素因数の和:8835

約数の個数: 40

約数和(自身を含む): 32750880

約数和(自身を除く): 19370320

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 8803, 17606, 35212, 44015, 70424, 88030, 140848, 167257, 176060, 334514, 352120, 669028, 704240, 836285, 1338056, 1672570, 2676112, 3345140, 6690280, 13380560]

約数ペア:

[(1, 13380560), (2, 6690280), (4, 3345140), (5, 2676112), (8, 1672570), (10, 1338056), (16, 836285), (19, 704240), (20, 669028), (38, 352120), (40, 334514), (76, 176060), (80, 167257), (95, 140848), (152, 88030), (190, 70424), (304, 44015), (380, 35212), (760, 17606), (1520, 8803)]