56728240

素因数分解:

$2^4\times 5^1\times {\mathrm{131}}^1\times {\mathrm{5413}}^1$

素因数の和:5557

約数の個数: 40

約数和(自身を含む): 132924528

約数和(自身を除く): 76196288

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 131, 262, 524, 655, 1048, 1310, 2096, 2620, 5240, 5413, 10480, 10826, 21652, 27065, 43304, 54130, 86608, 108260, 216520, 433040, 709103, 1418206, 2836412, 3545515, 5672824, 7091030, 11345648, 14182060, 28364120, 56728240]

約数ペア:

[(1, 56728240), (2, 28364120), (4, 14182060), (5, 11345648), (8, 7091030), (10, 5672824), (16, 3545515), (20, 2836412), (40, 1418206), (80, 709103), (131, 433040), (262, 216520), (524, 108260), (655, 86608), (1048, 54130), (1310, 43304), (2096, 27065), (2620, 21652), (5240, 10826), (5413, 10480)]