13154980

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{613}}^1$

素因数の和:688

約数の個数: 48

約数和(自身を含む): 29398320

約数和(自身を除く): 16243340

約数列:

[1, 2, 4, 5, 10, 20, 29, 37, 58, 74, 116, 145, 148, 185, 290, 370, 580, 613, 740, 1073, 1226, 2146, 2452, 3065, 4292, 5365, 6130, 10730, 12260, 17777, 21460, 22681, 35554, 45362, 71108, 88885, 90724, 113405, 177770, 226810, 355540, 453620, 657749, 1315498, 2630996, 3288745, 6577490, 13154980]

約数ペア:

[(1, 13154980), (2, 6577490), (4, 3288745), (5, 2630996), (10, 1315498), (20, 657749), (29, 453620), (37, 355540), (58, 226810), (74, 177770), (116, 113405), (145, 90724), (148, 88885), (185, 71108), (290, 45362), (370, 35554), (580, 22681), (613, 21460), (740, 17777), (1073, 12260), (1226, 10730), (2146, 6130), (2452, 5365), (3065, 4292)]