78199720

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{29179}}^1$

素因数の和:29257

約数の個数: 32

約数和(自身を含む): 178581600

約数和(自身を除く): 100381880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67, 134, 268, 335, 536, 670, 1340, 2680, 29179, 58358, 116716, 145895, 233432, 291790, 583580, 1167160, 1954993, 3909986, 7819972, 9774965, 15639944, 19549930, 39099860, 78199720]

約数ペア:

[(1, 78199720), (2, 39099860), (4, 19549930), (5, 15639944), (8, 9774965), (10, 7819972), (20, 3909986), (40, 1954993), (67, 1167160), (134, 583580), (268, 291790), (335, 233432), (536, 145895), (670, 116716), (1340, 58358), (2680, 29179)]