66654250

素因数分解:

$2^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{20509}}^1$

素因数の和:20539

約数の個数: 32

約数和(自身を含む): 134381520

約数和(自身を除く): 67727270

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 125, 130, 250, 325, 650, 1625, 3250, 20509, 41018, 102545, 205090, 266617, 512725, 533234, 1025450, 1333085, 2563625, 2666170, 5127250, 6665425, 13330850, 33327125, 66654250]

約数ペア:

[(1, 66654250), (2, 33327125), (5, 13330850), (10, 6665425), (13, 5127250), (25, 2666170), (26, 2563625), (50, 1333085), (65, 1025450), (125, 533234), (130, 512725), (250, 266617), (325, 205090), (650, 102545), (1625, 41018), (3250, 20509)]