31798240

素因数分解:

$2^5\times 5^1\times {\mathrm{353}}^1\times {\mathrm{563}}^1$

素因数の和:931

約数の個数: 48

約数和(自身を含む): 75469968

約数和(自身を除く): 43671728

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 353, 563, 706, 1126, 1412, 1765, 2252, 2815, 2824, 3530, 4504, 5630, 5648, 7060, 9008, 11260, 11296, 14120, 18016, 22520, 28240, 45040, 56480, 90080, 198739, 397478, 794956, 993695, 1589912, 1987390, 3179824, 3974780, 6359648, 7949560, 15899120, 31798240]

約数ペア:

[(1, 31798240), (2, 15899120), (4, 7949560), (5, 6359648), (8, 3974780), (10, 3179824), (16, 1987390), (20, 1589912), (32, 993695), (40, 794956), (80, 397478), (160, 198739), (353, 90080), (563, 56480), (706, 45040), (1126, 28240), (1412, 22520), (1765, 18016), (2252, 14120), (2815, 11296), (2824, 11260), (3530, 9008), (4504, 7060), (5630, 5648)]