90927640

素因数分解:

$2^3\times 5^1\times {\mathrm{461}}^1\times {\mathrm{4931}}^1$

素因数の和:5403

約数の個数: 32

約数和(自身を含む): 205072560

約数和(自身を除く): 114144920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 461, 922, 1844, 2305, 3688, 4610, 4931, 9220, 9862, 18440, 19724, 24655, 39448, 49310, 98620, 197240, 2273191, 4546382, 9092764, 11365955, 18185528, 22731910, 45463820, 90927640]

約数ペア:

[(1, 90927640), (2, 45463820), (4, 22731910), (5, 18185528), (8, 11365955), (10, 9092764), (20, 4546382), (40, 2273191), (461, 197240), (922, 98620), (1844, 49310), (2305, 39448), (3688, 24655), (4610, 19724), (4931, 18440), (9220, 9862)]