31815440

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{17291}}^1$

素因数の和:17327

約数の個数: 40

約数和(自身を含む): 77191488

約数和(自身を除く): 45376048

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 184, 230, 368, 460, 920, 1840, 17291, 34582, 69164, 86455, 138328, 172910, 276656, 345820, 397693, 691640, 795386, 1383280, 1590772, 1988465, 3181544, 3976930, 6363088, 7953860, 15907720, 31815440]

約数ペア:

[(1, 31815440), (2, 15907720), (4, 7953860), (5, 6363088), (8, 3976930), (10, 3181544), (16, 1988465), (20, 1590772), (23, 1383280), (40, 795386), (46, 691640), (80, 397693), (92, 345820), (115, 276656), (184, 172910), (230, 138328), (368, 86455), (460, 69164), (920, 34582), (1840, 17291)]