87269720

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{27617}}^1$

素因数の和:27707

約数の個数: 32

約数和(自身を含む): 198849600

約数和(自身を除く): 111579880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 316, 395, 632, 790, 1580, 3160, 27617, 55234, 110468, 138085, 220936, 276170, 552340, 1104680, 2181743, 4363486, 8726972, 10908715, 17453944, 21817430, 43634860, 87269720]

約数ペア:

[(1, 87269720), (2, 43634860), (4, 21817430), (5, 17453944), (8, 10908715), (10, 8726972), (20, 4363486), (40, 2181743), (79, 1104680), (158, 552340), (316, 276170), (395, 220936), (632, 138085), (790, 110468), (1580, 55234), (3160, 27617)]