54317840

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{131}}^1$

素因数の和:288

約数の個数: 80

約数和(自身を含む): 130813056

約数和(自身を除く): 76495216

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 73, 80, 131, 142, 146, 262, 284, 292, 355, 365, 524, 568, 584, 655, 710, 730, 1048, 1136, 1168, 1310, 1420, 1460, 2096, 2620, 2840, 2920, 5183, 5240, 5680, 5840, 9301, 9563, 10366, 10480, 18602, 19126, 20732, 25915, 37204, 38252, 41464, 46505, 47815, 51830, 74408, 76504, 82928, 93010, 95630, 103660, 148816, 153008, 186020, 191260, 207320, 372040, 382520, 414640, 678973, 744080, 765040, 1357946, 2715892, 3394865, 5431784, 6789730, 10863568, 13579460, 27158920, 54317840]

約数ペア:

[(1, 54317840), (2, 27158920), (4, 13579460), (5, 10863568), (8, 6789730), (10, 5431784), (16, 3394865), (20, 2715892), (40, 1357946), (71, 765040), (73, 744080), (80, 678973), (131, 414640), (142, 382520), (146, 372040), (262, 207320), (284, 191260), (292, 186020), (355, 153008), (365, 148816), (524, 103660), (568, 95630), (584, 93010), (655, 82928), (710, 76504), (730, 74408), (1048, 51830), (1136, 47815), (1168, 46505), (1310, 41464), (1420, 38252), (1460, 37204), (2096, 25915), (2620, 20732), (2840, 19126), (2920, 18602), (5183, 10480), (5240, 10366), (5680, 9563), (5840, 9301)]