823940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{3169}}^1$

素因数の和:3191

約数の個数: 24

約数和(自身を含む): 1863960

約数和(自身を除く): 1040020

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 3169, 6338, 12676, 15845, 31690, 41197, 63380, 82394, 164788, 205985, 411970, 823940]

約数ペア:

[(1, 823940), (2, 411970), (4, 205985), (5, 164788), (10, 82394), (13, 63380), (20, 41197), (26, 31690), (52, 15845), (65, 12676), (130, 6338), (260, 3169)]