85866280

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{69247}}^1$

素因数の和:69289

約数の個数: 32

約数和(自身を含む): 199434240

約数和(自身を除く): 113567960

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 69247, 138494, 276988, 346235, 553976, 692470, 1384940, 2146657, 2769880, 4293314, 8586628, 10733285, 17173256, 21466570, 42933140, 85866280]

約数ペア:

[(1, 85866280), (2, 42933140), (4, 21466570), (5, 17173256), (8, 10733285), (10, 8586628), (20, 4293314), (31, 2769880), (40, 2146657), (62, 1384940), (124, 692470), (155, 553976), (248, 346235), (310, 276988), (620, 138494), (1240, 69247)]