77887940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{299569}}^1$

素因数の和:299591

約数の個数: 24

約数和(自身を含む): 176147160

約数和(自身を除く): 98259220

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 299569, 599138, 1198276, 1497845, 2995690, 3894397, 5991380, 7788794, 15577588, 19471985, 38943970, 77887940]

約数ペア:

[(1, 77887940), (2, 38943970), (4, 19471985), (5, 15577588), (10, 7788794), (13, 5991380), (20, 3894397), (26, 2995690), (52, 1497845), (65, 1198276), (130, 599138), (260, 299569)]