642160

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{349}}^1$

素因数の和:385

約数の個数: 40

約数和(自身を含む): 1562400

約数和(自身を除く): 920240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 184, 230, 349, 368, 460, 698, 920, 1396, 1745, 1840, 2792, 3490, 5584, 6980, 8027, 13960, 16054, 27920, 32108, 40135, 64216, 80270, 128432, 160540, 321080, 642160]

約数ペア:

[(1, 642160), (2, 321080), (4, 160540), (5, 128432), (8, 80270), (10, 64216), (16, 40135), (20, 32108), (23, 27920), (40, 16054), (46, 13960), (80, 8027), (92, 6980), (115, 5584), (184, 3490), (230, 2792), (349, 1840), (368, 1745), (460, 1396), (698, 920)]