31915360

素因数分解:

$2^5\times 5^1\times {\mathrm{151}}^1\times {\mathrm{1321}}^1$

素因数の和:1487

約数の個数: 48

約数和(自身を含む): 75956832

約数和(自身を除く): 44041472

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 151, 160, 302, 604, 755, 1208, 1321, 1510, 2416, 2642, 3020, 4832, 5284, 6040, 6605, 10568, 12080, 13210, 21136, 24160, 26420, 42272, 52840, 105680, 199471, 211360, 398942, 797884, 997355, 1595768, 1994710, 3191536, 3989420, 6383072, 7978840, 15957680, 31915360]

約数ペア:

[(1, 31915360), (2, 15957680), (4, 7978840), (5, 6383072), (8, 3989420), (10, 3191536), (16, 1994710), (20, 1595768), (32, 997355), (40, 797884), (80, 398942), (151, 211360), (160, 199471), (302, 105680), (604, 52840), (755, 42272), (1208, 26420), (1321, 24160), (1510, 21136), (2416, 13210), (2642, 12080), (3020, 10568), (4832, 6605), (5284, 6040)]