127125760

素因数分解:

$2^8\times 5^1\times {\mathrm{99317}}^1$

素因数の和:99338

約数の個数: 36

約数和(自身を含む): 304508988

約数和(自身を除く): 177383228

約数列:

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

約数ペア:

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