254251520

素因数分解:

$2^9\times 5^1\times {\mathrm{99317}}^1$

素因数の和:99340

約数の個数: 40

約数和(自身を含む): 609613884

約数和(自身を除く): 355362364

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1280, 2560, 99317, 198634, 397268, 496585, 794536, 993170, 1589072, 1986340, 3178144, 3972680, 6356288, 7945360, 12712576, 15890720, 25425152, 31781440, 50850304, 63562880, 127125760, 254251520]

約数ペア:

[(1, 254251520), (2, 127125760), (4, 63562880), (5, 50850304), (8, 31781440), (10, 25425152), (16, 15890720), (20, 12712576), (32, 7945360), (40, 6356288), (64, 3972680), (80, 3178144), (128, 1986340), (160, 1589072), (256, 993170), (320, 794536), (512, 496585), (640, 397268), (1280, 198634), (2560, 99317)]