64798180

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{111721}}^1$

素因数の和:111759

約数の個数: 24

約数和(自身を含む): 140769720

約数和(自身を除く): 75971540

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 111721, 223442, 446884, 558605, 1117210, 2234420, 3239909, 6479818, 12959636, 16199545, 32399090, 64798180]

約数ペア:

[(1, 64798180), (2, 32399090), (4, 16199545), (5, 12959636), (10, 6479818), (20, 3239909), (29, 2234420), (58, 1117210), (116, 558605), (145, 446884), (290, 223442), (580, 111721)]