31438240

素因数分解:

$2^5\times 5^1\times {\mathrm{23}}^1\times {\mathrm{8543}}^1$

素因数の和:8581

約数の個数: 48

約数和(自身を含む): 77511168

約数和(自身を除く): 46072928

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 80, 92, 115, 160, 184, 230, 368, 460, 736, 920, 1840, 3680, 8543, 17086, 34172, 42715, 68344, 85430, 136688, 170860, 196489, 273376, 341720, 392978, 683440, 785956, 982445, 1366880, 1571912, 1964890, 3143824, 3929780, 6287648, 7859560, 15719120, 31438240]

約数ペア:

[(1, 31438240), (2, 15719120), (4, 7859560), (5, 6287648), (8, 3929780), (10, 3143824), (16, 1964890), (20, 1571912), (23, 1366880), (32, 982445), (40, 785956), (46, 683440), (80, 392978), (92, 341720), (115, 273376), (160, 196489), (184, 170860), (230, 136688), (368, 85430), (460, 68344), (736, 42715), (920, 34172), (1840, 17086), (3680, 8543)]