122861240

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{43261}}^1$

素因数の和:43343

約数の個数: 32

約数和(自身を含む): 280337760

約数和(自身を除く): 157476520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 43261, 86522, 173044, 216305, 346088, 432610, 865220, 1730440, 3071531, 6143062, 12286124, 15357655, 24572248, 30715310, 61430620, 122861240]

約数ペア:

[(1, 122861240), (2, 61430620), (4, 30715310), (5, 24572248), (8, 15357655), (10, 12286124), (20, 6143062), (40, 3071531), (71, 1730440), (142, 865220), (284, 432610), (355, 346088), (568, 216305), (710, 173044), (1420, 86522), (2840, 43261)]