80899672

素因数分解:

$2^3\times 7^1\times {\mathrm{71}}^1\times {\mathrm{20347}}^1$

素因数の和:20431

約数の個数: 32

約数和(自身を含む): 175806720

約数和(自身を除く): 94907048

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 71, 142, 284, 497, 568, 994, 1988, 3976, 20347, 40694, 81388, 142429, 162776, 284858, 569716, 1139432, 1444637, 2889274, 5778548, 10112459, 11557096, 20224918, 40449836, 80899672]

約数ペア:

[(1, 80899672), (2, 40449836), (4, 20224918), (7, 11557096), (8, 10112459), (14, 5778548), (28, 2889274), (56, 1444637), (71, 1139432), (142, 569716), (284, 284858), (497, 162776), (568, 142429), (994, 81388), (1988, 40694), (3976, 20347)]