2480140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{9539}}^1$

素因数の和:9561

約数の個数: 24

約数和(自身を含む): 5609520

約数和(自身を除く): 3129380

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 9539, 19078, 38156, 47695, 95390, 124007, 190780, 248014, 496028, 620035, 1240070, 2480140]

約数ペア:

[(1, 2480140), (2, 1240070), (4, 620035), (5, 496028), (10, 248014), (13, 190780), (20, 124007), (26, 95390), (52, 47695), (65, 38156), (130, 19078), (260, 9539)]