42781240

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{34501}}^1$

素因数の和:34543

約数の個数: 32

約数和(自身を含む): 99365760

約数和(自身を除く): 56584520

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 34501, 69002, 138004, 172505, 276008, 345010, 690020, 1069531, 1380040, 2139062, 4278124, 5347655, 8556248, 10695310, 21390620, 42781240]

約数ペア:

[(1, 42781240), (2, 21390620), (4, 10695310), (5, 8556248), (8, 5347655), (10, 4278124), (20, 2139062), (31, 1380040), (40, 1069531), (62, 690020), (124, 345010), (155, 276008), (248, 172505), (310, 138004), (620, 69002), (1240, 34501)]