671560

素因数分解:

$2^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{163}}^1$

素因数の和:277

約数の個数: 32

約数和(自身を含む): 1535040

約数和(自身を除く): 863480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 103, 163, 206, 326, 412, 515, 652, 815, 824, 1030, 1304, 1630, 2060, 3260, 4120, 6520, 16789, 33578, 67156, 83945, 134312, 167890, 335780, 671560]

約数ペア:

[(1, 671560), (2, 335780), (4, 167890), (5, 134312), (8, 83945), (10, 67156), (20, 33578), (40, 16789), (103, 6520), (163, 4120), (206, 3260), (326, 2060), (412, 1630), (515, 1304), (652, 1030), (815, 824)]