13302320

素因数分解:

$2^4\times 5^1\times {\mathrm{257}}^1\times {\mathrm{647}}^1$

素因数の和:917

約数の個数: 40

約数和(自身を含む): 31096224

約数和(自身を除く): 17793904

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 257, 514, 647, 1028, 1285, 1294, 2056, 2570, 2588, 3235, 4112, 5140, 5176, 6470, 10280, 10352, 12940, 20560, 25880, 51760, 166279, 332558, 665116, 831395, 1330232, 1662790, 2660464, 3325580, 6651160, 13302320]

約数ペア:

[(1, 13302320), (2, 6651160), (4, 3325580), (5, 2660464), (8, 1662790), (10, 1330232), (16, 831395), (20, 665116), (40, 332558), (80, 166279), (257, 51760), (514, 25880), (647, 20560), (1028, 12940), (1285, 10352), (1294, 10280), (2056, 6470), (2570, 5176), (2588, 5140), (3235, 4112)]