38729080

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{1049}}^1$

素因数の和:1144

約数の個数: 64

約数和(自身を含む): 95256000

約数和(自身を除く): 56526920

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 71, 104, 130, 142, 260, 284, 355, 520, 568, 710, 923, 1049, 1420, 1846, 2098, 2840, 3692, 4196, 4615, 5245, 7384, 8392, 9230, 10490, 13637, 18460, 20980, 27274, 36920, 41960, 54548, 68185, 74479, 109096, 136370, 148958, 272740, 297916, 372395, 545480, 595832, 744790, 968227, 1489580, 1936454, 2979160, 3872908, 4841135, 7745816, 9682270, 19364540, 38729080]

約数ペア:

[(1, 38729080), (2, 19364540), (4, 9682270), (5, 7745816), (8, 4841135), (10, 3872908), (13, 2979160), (20, 1936454), (26, 1489580), (40, 968227), (52, 744790), (65, 595832), (71, 545480), (104, 372395), (130, 297916), (142, 272740), (260, 148958), (284, 136370), (355, 109096), (520, 74479), (568, 68185), (710, 54548), (923, 41960), (1049, 36920), (1420, 27274), (1846, 20980), (2098, 18460), (2840, 13637), (3692, 10490), (4196, 9230), (4615, 8392), (5245, 7384)]