12776140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{49139}}^1$

素因数の和:49161

約数の個数: 24

約数和(自身を含む): 28894320

約数和(自身を除く): 16118180

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 49139, 98278, 196556, 245695, 491390, 638807, 982780, 1277614, 2555228, 3194035, 6388070, 12776140]

約数ペア:

[(1, 12776140), (2, 6388070), (4, 3194035), (5, 2555228), (10, 1277614), (13, 982780), (20, 638807), (26, 491390), (52, 245695), (65, 196556), (130, 98278), (260, 49139)]