1296001720

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2492311}}^1$

素因数の和:2492335

約数の個数: 32

約数和(自身を含む): 3140313120

約数和(自身を除く): 1844311400

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 2492311, 4984622, 9969244, 12461555, 19938488, 24923110, 32400043, 49846220, 64800086, 99692440, 129600172, 162000215, 259200344, 324000430, 648000860, 1296001720]

約数ペア:

[(1, 1296001720), (2, 648000860), (4, 324000430), (5, 259200344), (8, 162000215), (10, 129600172), (13, 99692440), (20, 64800086), (26, 49846220), (40, 32400043), (52, 24923110), (65, 19938488), (104, 12461555), (130, 9969244), (260, 4984622), (520, 2492311)]