13121020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1$

素因数の和:155

約数の個数: 96

約数和(自身を含む): 32820480

約数和(自身を除く): 19699460

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 43, 44, 55, 73, 76, 86, 95, 110, 146, 172, 190, 209, 215, 220, 292, 365, 380, 418, 430, 473, 730, 803, 817, 836, 860, 946, 1045, 1387, 1460, 1606, 1634, 1892, 2090, 2365, 2774, 3139, 3212, 3268, 4015, 4085, 4180, 4730, 5548, 6278, 6935, 8030, 8170, 8987, 9460, 12556, 13870, 15257, 15695, 16060, 16340, 17974, 27740, 30514, 31390, 34529, 35948, 44935, 59641, 61028, 62780, 69058, 76285, 89870, 119282, 138116, 152570, 172645, 179740, 238564, 298205, 305140, 345290, 596410, 656051, 690580, 1192820, 1312102, 2624204, 3280255, 6560510, 13121020]

約数ペア:

[(1, 13121020), (2, 6560510), (4, 3280255), (5, 2624204), (10, 1312102), (11, 1192820), (19, 690580), (20, 656051), (22, 596410), (38, 345290), (43, 305140), (44, 298205), (55, 238564), (73, 179740), (76, 172645), (86, 152570), (95, 138116), (110, 119282), (146, 89870), (172, 76285), (190, 69058), (209, 62780), (215, 61028), (220, 59641), (292, 44935), (365, 35948), (380, 34529), (418, 31390), (430, 30514), (473, 27740), (730, 17974), (803, 16340), (817, 16060), (836, 15695), (860, 15257), (946, 13870), (1045, 12556), (1387, 9460), (1460, 8987), (1606, 8170), (1634, 8030), (1892, 6935), (2090, 6278), (2365, 5548), (2774, 4730), (3139, 4180), (3212, 4085), (3268, 4015)]