79897600

素因数分解:

$2^{10}\times 5^2\times {\mathrm{3121}}^1$

素因数の和:3151

約数の個数: 66

約数和(自身を含む): 198112754

約数和(自身を除く): 118215154

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 128, 160, 200, 256, 320, 400, 512, 640, 800, 1024, 1280, 1600, 2560, 3121, 3200, 5120, 6242, 6400, 12484, 12800, 15605, 24968, 25600, 31210, 49936, 62420, 78025, 99872, 124840, 156050, 199744, 249680, 312100, 399488, 499360, 624200, 798976, 998720, 1248400, 1597952, 1997440, 2496800, 3195904, 3994880, 4993600, 7989760, 9987200, 15979520, 19974400, 39948800, 79897600]

約数ペア:

[(1, 79897600), (2, 39948800), (4, 19974400), (5, 15979520), (8, 9987200), (10, 7989760), (16, 4993600), (20, 3994880), (25, 3195904), (32, 2496800), (40, 1997440), (50, 1597952), (64, 1248400), (80, 998720), (100, 798976), (128, 624200), (160, 499360), (200, 399488), (256, 312100), (320, 249680), (400, 199744), (512, 156050), (640, 124840), (800, 99872), (1024, 78025), (1280, 62420), (1600, 49936), (2560, 31210), (3121, 25600), (3200, 24968), (5120, 15605), (6242, 12800), (6400, 12484)]