213082480

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{204887}}^1$

素因数の和:204913

約数の個数: 40

約数和(自身を含む): 533528352

約数和(自身を除く): 320445872

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 204887, 409774, 819548, 1024435, 1639096, 2048870, 2663531, 3278192, 4097740, 5327062, 8195480, 10654124, 13317655, 16390960, 21308248, 26635310, 42616496, 53270620, 106541240, 213082480]

約数ペア:

[(1, 213082480), (2, 106541240), (4, 53270620), (5, 42616496), (8, 26635310), (10, 21308248), (13, 16390960), (16, 13317655), (20, 10654124), (26, 8195480), (40, 5327062), (52, 4097740), (65, 3278192), (80, 2663531), (104, 2048870), (130, 1639096), (208, 1024435), (260, 819548), (520, 409774), (1040, 204887)]