1378780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{5303}}^1$

素因数の和:5325

約数の個数: 24

約数和(自身を含む): 3118752

約数和(自身を除く): 1739972

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 5303, 10606, 21212, 26515, 53030, 68939, 106060, 137878, 275756, 344695, 689390, 1378780]

約数ペア:

[(1, 1378780), (2, 689390), (4, 344695), (5, 275756), (10, 137878), (13, 106060), (20, 68939), (26, 53030), (52, 26515), (65, 21212), (130, 10606), (260, 5303)]