13474660

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{131}}^1\times {\mathrm{139}}^1$

素因数の和:316

約数の個数: 48

約数和(自身を含む): 29494080

約数和(自身を除く): 16019420

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 131, 139, 148, 185, 262, 278, 370, 524, 556, 655, 695, 740, 1310, 1390, 2620, 2780, 4847, 5143, 9694, 10286, 18209, 19388, 20572, 24235, 25715, 36418, 48470, 51430, 72836, 91045, 96940, 102860, 182090, 364180, 673733, 1347466, 2694932, 3368665, 6737330, 13474660]

約数ペア:

[(1, 13474660), (2, 6737330), (4, 3368665), (5, 2694932), (10, 1347466), (20, 673733), (37, 364180), (74, 182090), (131, 102860), (139, 96940), (148, 91045), (185, 72836), (262, 51430), (278, 48470), (370, 36418), (524, 25715), (556, 24235), (655, 20572), (695, 19388), (740, 18209), (1310, 10286), (1390, 9694), (2620, 5143), (2780, 4847)]