1990880

素因数分解:

$2^5\times 5^1\times {\mathrm{23}}^1\times {\mathrm{541}}^1$

素因数の和:579

約数の個数: 48

約数和(自身を含む): 4917024

約数和(自身を除く): 2926144

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 80, 92, 115, 160, 184, 230, 368, 460, 541, 736, 920, 1082, 1840, 2164, 2705, 3680, 4328, 5410, 8656, 10820, 12443, 17312, 21640, 24886, 43280, 49772, 62215, 86560, 99544, 124430, 199088, 248860, 398176, 497720, 995440, 1990880]

約数ペア:

[(1, 1990880), (2, 995440), (4, 497720), (5, 398176), (8, 248860), (10, 199088), (16, 124430), (20, 99544), (23, 86560), (32, 62215), (40, 49772), (46, 43280), (80, 24886), (92, 21640), (115, 17312), (160, 12443), (184, 10820), (230, 8656), (368, 5410), (460, 4328), (541, 3680), (736, 2705), (920, 2164), (1082, 1840)]