66709480

素因数分解:

$2^3\times 5^1\times {\mathrm{317}}^1\times {\mathrm{5261}}^1$

素因数の和:5589

約数の個数: 32

約数和(自身を含む): 150598440

約数和(自身を除く): 83888960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 317, 634, 1268, 1585, 2536, 3170, 5261, 6340, 10522, 12680, 21044, 26305, 42088, 52610, 105220, 210440, 1667737, 3335474, 6670948, 8338685, 13341896, 16677370, 33354740, 66709480]

約数ペア:

[(1, 66709480), (2, 33354740), (4, 16677370), (5, 13341896), (8, 8338685), (10, 6670948), (20, 3335474), (40, 1667737), (317, 210440), (634, 105220), (1268, 52610), (1585, 42088), (2536, 26305), (3170, 21044), (5261, 12680), (6340, 10522)]