87422980

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{55331}}^1$

素因数の和:55419

約数の個数: 24

約数和(自身を含む): 185915520

約数和(自身を除く): 98492540

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 55331, 110662, 221324, 276655, 553310, 1106620, 4371149, 8742298, 17484596, 21855745, 43711490, 87422980]

約数ペア:

[(1, 87422980), (2, 43711490), (4, 21855745), (5, 17484596), (10, 8742298), (20, 4371149), (79, 1106620), (158, 553310), (316, 276655), (395, 221324), (790, 110662), (1580, 55331)]