140540140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{540539}}^1$

素因数の和:540561

約数の個数: 24

約数和(自身を含む): 317837520

約数和(自身を除く): 177297380

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 540539, 1081078, 2162156, 2702695, 5405390, 7027007, 10810780, 14054014, 28108028, 35135035, 70270070, 140540140]

約数ペア:

[(1, 140540140), (2, 70270070), (4, 35135035), (5, 28108028), (10, 14054014), (13, 10810780), (20, 7027007), (26, 5405390), (52, 2702695), (65, 2162156), (130, 1081078), (260, 540539)]