72514780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{278903}}^1$

素因数の和:278925

約数の個数: 24

約数和(自身を含む): 163995552

約数和(自身を除く): 91480772

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 278903, 557806, 1115612, 1394515, 2789030, 3625739, 5578060, 7251478, 14502956, 18128695, 36257390, 72514780]

約数ペア:

[(1, 72514780), (2, 36257390), (4, 18128695), (5, 14502956), (10, 7251478), (13, 5578060), (20, 3625739), (26, 2789030), (52, 1394515), (65, 1115612), (130, 557806), (260, 278903)]