71265740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{39157}}^1$

素因数の和:39186

約数の個数: 48

約数和(自身を含む): 184199232

約数和(自身を除く): 112933492

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 39157, 78314, 156628, 195785, 274099, 391570, 509041, 548198, 783140, 1018082, 1096396, 1370495, 2036164, 2545205, 2740990, 3563287, 5090410, 5481980, 7126574, 10180820, 14253148, 17816435, 35632870, 71265740]

約数ペア:

[(1, 71265740), (2, 35632870), (4, 17816435), (5, 14253148), (7, 10180820), (10, 7126574), (13, 5481980), (14, 5090410), (20, 3563287), (26, 2740990), (28, 2545205), (35, 2036164), (52, 1370495), (65, 1096396), (70, 1018082), (91, 783140), (130, 548198), (140, 509041), (182, 391570), (260, 274099), (364, 195785), (455, 156628), (910, 78314), (1820, 39157)]