66397880

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{22739}}^1$

素因数の和:22823

約数の個数: 32

約数和(自身を含む): 151448400

約数和(自身を除く): 85050520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 146, 292, 365, 584, 730, 1460, 2920, 22739, 45478, 90956, 113695, 181912, 227390, 454780, 909560, 1659947, 3319894, 6639788, 8299735, 13279576, 16599470, 33198940, 66397880]

約数ペア:

[(1, 66397880), (2, 33198940), (4, 16599470), (5, 13279576), (8, 8299735), (10, 6639788), (20, 3319894), (40, 1659947), (73, 909560), (146, 454780), (292, 227390), (365, 181912), (584, 113695), (730, 90956), (1460, 45478), (2920, 22739)]