211310320

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{203183}}^1$

素因数の和:203209

約数の個数: 40

約数和(自身を含む): 529091136

約数和(自身を除く): 317780816

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 203183, 406366, 812732, 1015915, 1625464, 2031830, 2641379, 3250928, 4063660, 5282758, 8127320, 10565516, 13206895, 16254640, 21131032, 26413790, 42262064, 52827580, 105655160, 211310320]

約数ペア:

[(1, 211310320), (2, 105655160), (4, 52827580), (5, 42262064), (8, 26413790), (10, 21131032), (13, 16254640), (16, 13206895), (20, 10565516), (26, 8127320), (40, 5282758), (52, 4063660), (65, 3250928), (80, 2641379), (104, 2031830), (130, 1625464), (208, 1015915), (260, 812732), (520, 406366), (1040, 203183)]