61725880

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{21139}}^1$

素因数の和:21223

約数の個数: 32

約数和(自身を含む): 140792400

約数和(自身を除く): 79066520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 146, 292, 365, 584, 730, 1460, 2920, 21139, 42278, 84556, 105695, 169112, 211390, 422780, 845560, 1543147, 3086294, 6172588, 7715735, 12345176, 15431470, 30862940, 61725880]

約数ペア:

[(1, 61725880), (2, 30862940), (4, 15431470), (5, 12345176), (8, 7715735), (10, 6172588), (20, 3086294), (40, 1543147), (73, 845560), (146, 422780), (292, 211390), (365, 169112), (584, 105695), (730, 84556), (1460, 42278), (2920, 21139)]