8909420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{34267}}^1$

素因数の和:34289

約数の個数: 24

約数和(自身を含む): 20149584

約数和(自身を除く): 11240164

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 34267, 68534, 137068, 171335, 342670, 445471, 685340, 890942, 1781884, 2227355, 4454710, 8909420]

約数ペア:

[(1, 8909420), (2, 4454710), (4, 2227355), (5, 1781884), (10, 890942), (13, 685340), (20, 445471), (26, 342670), (52, 171335), (65, 137068), (130, 68534), (260, 34267)]