51784520

素因数分解:

$2^3\times 5^1\times {\mathrm{541}}^1\times {\mathrm{2393}}^1$

素因数の和:2945

約数の個数: 32

約数和(自身を含む): 116779320

約数和(自身を除く): 64994800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 541, 1082, 2164, 2393, 2705, 4328, 4786, 5410, 9572, 10820, 11965, 19144, 21640, 23930, 47860, 95720, 1294613, 2589226, 5178452, 6473065, 10356904, 12946130, 25892260, 51784520]

約数ペア:

[(1, 51784520), (2, 25892260), (4, 12946130), (5, 10356904), (8, 6473065), (10, 5178452), (20, 2589226), (40, 1294613), (541, 95720), (1082, 47860), (2164, 23930), (2393, 21640), (2705, 19144), (4328, 11965), (4786, 10820), (5410, 9572)]