13115440

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{12611}}^1$

素因数の和:12637

約数の個数: 40

約数和(自身を含む): 32841648

約数和(自身を除く): 19726208

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 12611, 25222, 50444, 63055, 100888, 126110, 163943, 201776, 252220, 327886, 504440, 655772, 819715, 1008880, 1311544, 1639430, 2623088, 3278860, 6557720, 13115440]

約数ペア:

[(1, 13115440), (2, 6557720), (4, 3278860), (5, 2623088), (8, 1639430), (10, 1311544), (13, 1008880), (16, 819715), (20, 655772), (26, 504440), (40, 327886), (52, 252220), (65, 201776), (80, 163943), (104, 126110), (130, 100888), (208, 63055), (260, 50444), (520, 25222), (1040, 12611)]