13262440

素因数分解:

$2^3\times 5^1\times {\mathrm{131}}^1\times {\mathrm{2531}}^1$

素因数の和:2673

約数の個数: 32

約数和(自身を含む): 30080160

約数和(自身を除く): 16817720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 131, 262, 524, 655, 1048, 1310, 2531, 2620, 5062, 5240, 10124, 12655, 20248, 25310, 50620, 101240, 331561, 663122, 1326244, 1657805, 2652488, 3315610, 6631220, 13262440]

約数ペア:

[(1, 13262440), (2, 6631220), (4, 3315610), (5, 2652488), (8, 1657805), (10, 1326244), (20, 663122), (40, 331561), (131, 101240), (262, 50620), (524, 25310), (655, 20248), (1048, 12655), (1310, 10124), (2531, 5240), (2620, 5062)]