13471540

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{179}}^1$

素因数の和:312

約数の個数: 48

約数和(自身を含む): 29393280

約数和(自身を除く): 15921740

約数列:

[1, 2, 4, 5, 10, 20, 53, 71, 106, 142, 179, 212, 265, 284, 355, 358, 530, 710, 716, 895, 1060, 1420, 1790, 3580, 3763, 7526, 9487, 12709, 15052, 18815, 18974, 25418, 37630, 37948, 47435, 50836, 63545, 75260, 94870, 127090, 189740, 254180, 673577, 1347154, 2694308, 3367885, 6735770, 13471540]

約数ペア:

[(1, 13471540), (2, 6735770), (4, 3367885), (5, 2694308), (10, 1347154), (20, 673577), (53, 254180), (71, 189740), (106, 127090), (142, 94870), (179, 75260), (212, 63545), (265, 50836), (284, 47435), (355, 37948), (358, 37630), (530, 25418), (710, 18974), (716, 18815), (895, 15052), (1060, 12709), (1420, 9487), (1790, 7526), (3580, 3763)]