90555760

素因数分解:

$2^4\times 5^1\times {\mathrm{229}}^1\times {\mathrm{4943}}^1$

素因数の和:5185

約数の個数: 40

約数和(自身を含む): 211504320

約数和(自身を除く): 120948560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 229, 458, 916, 1145, 1832, 2290, 3664, 4580, 4943, 9160, 9886, 18320, 19772, 24715, 39544, 49430, 79088, 98860, 197720, 395440, 1131947, 2263894, 4527788, 5659735, 9055576, 11319470, 18111152, 22638940, 45277880, 90555760]

約数ペア:

[(1, 90555760), (2, 45277880), (4, 22638940), (5, 18111152), (8, 11319470), (10, 9055576), (16, 5659735), (20, 4527788), (40, 2263894), (80, 1131947), (229, 395440), (458, 197720), (916, 98860), (1145, 79088), (1832, 49430), (2290, 39544), (3664, 24715), (4580, 19772), (4943, 18320), (9160, 9886)]