71521520

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{127717}}^1$

素因数の和:127737

約数の個数: 40

約数和(自身を含む): 190044384

約数和(自身を除く): 118522864

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 127717, 255434, 510868, 638585, 894019, 1021736, 1277170, 1788038, 2043472, 2554340, 3576076, 4470095, 5108680, 7152152, 8940190, 10217360, 14304304, 17880380, 35760760, 71521520]

約数ペア:

[(1, 71521520), (2, 35760760), (4, 17880380), (5, 14304304), (7, 10217360), (8, 8940190), (10, 7152152), (14, 5108680), (16, 4470095), (20, 3576076), (28, 2554340), (35, 2043472), (40, 1788038), (56, 1277170), (70, 1021736), (80, 894019), (112, 638585), (140, 510868), (280, 255434), (560, 127717)]