15663920

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{8513}}^1$

素因数の和:8549

約数の個数: 40

約数和(自身を含む): 38006496

約数和(自身を除く): 22342576

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 184, 230, 368, 460, 920, 1840, 8513, 17026, 34052, 42565, 68104, 85130, 136208, 170260, 195799, 340520, 391598, 681040, 783196, 978995, 1566392, 1957990, 3132784, 3915980, 7831960, 15663920]

約数ペア:

[(1, 15663920), (2, 7831960), (4, 3915980), (5, 3132784), (8, 1957990), (10, 1566392), (16, 978995), (20, 783196), (23, 681040), (40, 391598), (46, 340520), (80, 195799), (92, 170260), (115, 136208), (184, 85130), (230, 68104), (368, 42565), (460, 34052), (920, 17026), (1840, 8513)]