40407680

素因数分解:

$2^7\times 5^1\times {\mathrm{19}}^1\times {\mathrm{3323}}^1$

素因数の和:3361

約数の個数: 64

約数和(自身を含む): 101714400

約数和(自身を除く): 61306720

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 128, 152, 160, 190, 304, 320, 380, 608, 640, 760, 1216, 1520, 2432, 3040, 3323, 6080, 6646, 12160, 13292, 16615, 26584, 33230, 53168, 63137, 66460, 106336, 126274, 132920, 212672, 252548, 265840, 315685, 425344, 505096, 531680, 631370, 1010192, 1063360, 1262740, 2020384, 2126720, 2525480, 4040768, 5050960, 8081536, 10101920, 20203840, 40407680]

約数ペア:

[(1, 40407680), (2, 20203840), (4, 10101920), (5, 8081536), (8, 5050960), (10, 4040768), (16, 2525480), (19, 2126720), (20, 2020384), (32, 1262740), (38, 1063360), (40, 1010192), (64, 631370), (76, 531680), (80, 505096), (95, 425344), (128, 315685), (152, 265840), (160, 252548), (190, 212672), (304, 132920), (320, 126274), (380, 106336), (608, 66460), (640, 63137), (760, 53168), (1216, 33230), (1520, 26584), (2432, 16615), (3040, 13292), (3323, 12160), (6080, 6646)]