64620520

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{85027}}^1$

素因数の和:85057

約数の個数: 32

約数和(自身を含む): 153050400

約数和(自身を除く): 88429880

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 85027, 170054, 340108, 425135, 680216, 850270, 1615513, 1700540, 3231026, 3401080, 6462052, 8077565, 12924104, 16155130, 32310260, 64620520]

約数ペア:

[(1, 64620520), (2, 32310260), (4, 16155130), (5, 12924104), (8, 8077565), (10, 6462052), (19, 3401080), (20, 3231026), (38, 1700540), (40, 1615513), (76, 850270), (95, 680216), (152, 425135), (190, 340108), (380, 170054), (760, 85027)]