1292309720

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2485211}}^1$

素因数の和:2485235

約数の個数: 32

約数和(自身を含む): 3131367120

約数和(自身を除く): 1839057400

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 2485211, 4970422, 9940844, 12426055, 19881688, 24852110, 32307743, 49704220, 64615486, 99408440, 129230972, 161538715, 258461944, 323077430, 646154860, 1292309720]

約数ペア:

[(1, 1292309720), (2, 646154860), (4, 323077430), (5, 258461944), (8, 161538715), (10, 129230972), (13, 99408440), (20, 64615486), (26, 49704220), (40, 32307743), (52, 24852110), (65, 19881688), (104, 12426055), (130, 9940844), (260, 4970422), (520, 2485211)]