66702280

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{27337}}^1$

素因数の和:27409

約数の個数: 32

約数和(自身を含む): 152546040

約数和(自身を除く): 85843760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 27337, 54674, 109348, 136685, 218696, 273370, 546740, 1093480, 1667557, 3335114, 6670228, 8337785, 13340456, 16675570, 33351140, 66702280]

約数ペア:

[(1, 66702280), (2, 33351140), (4, 16675570), (5, 13340456), (8, 8337785), (10, 6670228), (20, 3335114), (40, 1667557), (61, 1093480), (122, 546740), (244, 273370), (305, 218696), (488, 136685), (610, 109348), (1220, 54674), (2440, 27337)]