40399788

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{1811}}^1$

素因数の和:1855

約数の個数: 72

約数和(自身を含む): 111416256

約数和(自身を除く): 71016468

約数列:

[1, 2, 3, 4, 6, 11, 12, 13, 22, 26, 33, 39, 44, 52, 66, 78, 132, 143, 156, 169, 286, 338, 429, 507, 572, 676, 858, 1014, 1716, 1811, 1859, 2028, 3622, 3718, 5433, 5577, 7244, 7436, 10866, 11154, 19921, 21732, 22308, 23543, 39842, 47086, 59763, 70629, 79684, 94172, 119526, 141258, 239052, 258973, 282516, 306059, 517946, 612118, 776919, 918177, 1035892, 1224236, 1553838, 1836354, 3107676, 3366649, 3672708, 6733298, 10099947, 13466596, 20199894, 40399788]

約数ペア:

[(1, 40399788), (2, 20199894), (3, 13466596), (4, 10099947), (6, 6733298), (11, 3672708), (12, 3366649), (13, 3107676), (22, 1836354), (26, 1553838), (33, 1224236), (39, 1035892), (44, 918177), (52, 776919), (66, 612118), (78, 517946), (132, 306059), (143, 282516), (156, 258973), (169, 239052), (286, 141258), (338, 119526), (429, 94172), (507, 79684), (572, 70629), (676, 59763), (858, 47086), (1014, 39842), (1716, 23543), (1811, 22308), (1859, 21732), (2028, 19921), (3622, 11154), (3718, 10866), (5433, 7436), (5577, 7244)]