40221290

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{211691}}^1$

素因数の和:211717

約数の個数: 16

約数和(自身を含む): 76209120

約数和(自身を除く): 35987830

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 211691, 423382, 1058455, 2116910, 4022129, 8044258, 20110645, 40221290]

約数ペア:

[(1, 40221290), (2, 20110645), (5, 8044258), (10, 4022129), (19, 2116910), (38, 1058455), (95, 423382), (190, 211691)]