320528

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1$

素因数の和:111

約数の個数: 40

約数和(自身を含む): 708288

約数和(自身を除く): 387760

約数列:

[1, 2, 4, 8, 13, 16, 23, 26, 46, 52, 67, 92, 104, 134, 184, 208, 268, 299, 368, 536, 598, 871, 1072, 1196, 1541, 1742, 2392, 3082, 3484, 4784, 6164, 6968, 12328, 13936, 20033, 24656, 40066, 80132, 160264, 320528]

約数ペア:

[(1, 320528), (2, 160264), (4, 80132), (8, 40066), (13, 24656), (16, 20033), (23, 13936), (26, 12328), (46, 6968), (52, 6164), (67, 4784), (92, 3484), (104, 3082), (134, 2392), (184, 1742), (208, 1541), (268, 1196), (299, 1072), (368, 871), (536, 598)]