31724080

素因数分解:

$2^4\times 5^1\times {\mathrm{257}}^1\times {\mathrm{1543}}^1$

素因数の和:1813

約数の個数: 40

約数和(自身を含む): 74093472

約数和(自身を除く): 42369392

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 257, 514, 1028, 1285, 1543, 2056, 2570, 3086, 4112, 5140, 6172, 7715, 10280, 12344, 15430, 20560, 24688, 30860, 61720, 123440, 396551, 793102, 1586204, 1982755, 3172408, 3965510, 6344816, 7931020, 15862040, 31724080]

約数ペア:

[(1, 31724080), (2, 15862040), (4, 7931020), (5, 6344816), (8, 3965510), (10, 3172408), (16, 1982755), (20, 1586204), (40, 793102), (80, 396551), (257, 123440), (514, 61720), (1028, 30860), (1285, 24688), (1543, 20560), (2056, 15430), (2570, 12344), (3086, 10280), (4112, 7715), (5140, 6172)]