668322625

素因数分解:

$5^3\times {\mathrm{19}}^1\times {\mathrm{439}}^1\times {\mathrm{641}}^1$

素因数の和:1114

約数の個数: 32

約数和(自身を含む): 881337600

約数和(自身を除く): 213014975

約数列:

[1, 5, 19, 25, 95, 125, 439, 475, 641, 2195, 2375, 3205, 8341, 10975, 12179, 16025, 41705, 54875, 60895, 80125, 208525, 281399, 304475, 1042625, 1406995, 1522375, 5346581, 7034975, 26732905, 35174875, 133664525, 668322625]

約数ペア:

[(1, 668322625), (5, 133664525), (19, 35174875), (25, 26732905), (95, 7034975), (125, 5346581), (439, 1522375), (475, 1406995), (641, 1042625), (2195, 304475), (2375, 281399), (3205, 208525), (8341, 80125), (10975, 60895), (12179, 54875), (16025, 41705)]