1565380

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{83}}^1$

素因数の和:156

約数の個数: 48

約数和(自身を含む): 3556224

約数和(自身を除く): 1990844

約数列:

[1, 2, 4, 5, 10, 20, 23, 41, 46, 82, 83, 92, 115, 164, 166, 205, 230, 332, 410, 415, 460, 820, 830, 943, 1660, 1886, 1909, 3403, 3772, 3818, 4715, 6806, 7636, 9430, 9545, 13612, 17015, 18860, 19090, 34030, 38180, 68060, 78269, 156538, 313076, 391345, 782690, 1565380]

約数ペア:

[(1, 1565380), (2, 782690), (4, 391345), (5, 313076), (10, 156538), (20, 78269), (23, 68060), (41, 38180), (46, 34030), (82, 19090), (83, 18860), (92, 17015), (115, 13612), (164, 9545), (166, 9430), (205, 7636), (230, 6806), (332, 4715), (410, 3818), (415, 3772), (460, 3403), (820, 1909), (830, 1886), (943, 1660)]