31781440

素因数分解:

$2^6\times 5^1\times {\mathrm{99317}}^1$

素因数の和:99334

約数の個数: 28

約数和(自身を含む): 75680316

約数和(自身を除く): 43898876

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 99317, 198634, 397268, 496585, 794536, 993170, 1589072, 1986340, 3178144, 3972680, 6356288, 7945360, 15890720, 31781440]

約数ペア:

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