90716240

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{26371}}^1$

素因数の和:26427

約数の個数: 40

約数和(自身を含む): 215828448

約数和(自身を除く): 125112208

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1720, 3440, 26371, 52742, 105484, 131855, 210968, 263710, 421936, 527420, 1054840, 1133953, 2109680, 2267906, 4535812, 5669765, 9071624, 11339530, 18143248, 22679060, 45358120, 90716240]

約数ペア:

[(1, 90716240), (2, 45358120), (4, 22679060), (5, 18143248), (8, 11339530), (10, 9071624), (16, 5669765), (20, 4535812), (40, 2267906), (43, 2109680), (80, 1133953), (86, 1054840), (172, 527420), (215, 421936), (344, 263710), (430, 210968), (688, 131855), (860, 105484), (1720, 52742), (3440, 26371)]