28104620

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{107}}^1\times {\mathrm{571}}^1$

素因数の和:710

約数の個数: 48

約数和(自身を含む): 62270208

約数和(自身を除く): 34165588

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 107, 115, 214, 230, 428, 460, 535, 571, 1070, 1142, 2140, 2284, 2461, 2855, 4922, 5710, 9844, 11420, 12305, 13133, 24610, 26266, 49220, 52532, 61097, 65665, 122194, 131330, 244388, 262660, 305485, 610970, 1221940, 1405231, 2810462, 5620924, 7026155, 14052310, 28104620]

約数ペア:

[(1, 28104620), (2, 14052310), (4, 7026155), (5, 5620924), (10, 2810462), (20, 1405231), (23, 1221940), (46, 610970), (92, 305485), (107, 262660), (115, 244388), (214, 131330), (230, 122194), (428, 65665), (460, 61097), (535, 52532), (571, 49220), (1070, 26266), (1142, 24610), (2140, 13133), (2284, 12305), (2461, 11420), (2855, 9844), (4922, 5710)]