51432280

素因数分解:

$2^3\times 5^1\times {\mathrm{263}}^1\times {\mathrm{4889}}^1$

素因数の和:5163

約数の個数: 32

約数和(自身を含む): 116186400

約数和(自身を除く): 64754120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 263, 526, 1052, 1315, 2104, 2630, 4889, 5260, 9778, 10520, 19556, 24445, 39112, 48890, 97780, 195560, 1285807, 2571614, 5143228, 6429035, 10286456, 12858070, 25716140, 51432280]

約数ペア:

[(1, 51432280), (2, 25716140), (4, 12858070), (5, 10286456), (8, 6429035), (10, 5143228), (20, 2571614), (40, 1285807), (263, 195560), (526, 97780), (1052, 48890), (1315, 39112), (2104, 24445), (2630, 19556), (4889, 10520), (5260, 9778)]