12620140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{48539}}^1$

素因数の和:48561

約数の個数: 24

約数和(自身を含む): 28541520

約数和(自身を除く): 15921380

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 48539, 97078, 194156, 242695, 485390, 631007, 970780, 1262014, 2524028, 3155035, 6310070, 12620140]

約数ペア:

[(1, 12620140), (2, 6310070), (4, 3155035), (5, 2524028), (10, 1262014), (13, 970780), (20, 631007), (26, 485390), (52, 242695), (65, 194156), (130, 97078), (260, 48539)]