55837240

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{19661}}^1$

素因数の和:19743

約数の個数: 32

約数和(自身を含む): 127409760

約数和(自身を除く): 71572520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 19661, 39322, 78644, 98305, 157288, 196610, 393220, 786440, 1395931, 2791862, 5583724, 6979655, 11167448, 13959310, 27918620, 55837240]

約数ペア:

[(1, 55837240), (2, 27918620), (4, 13959310), (5, 11167448), (8, 6979655), (10, 5583724), (20, 2791862), (40, 1395931), (71, 786440), (142, 393220), (284, 196610), (355, 157288), (568, 98305), (710, 78644), (1420, 39322), (2840, 19661)]