26581940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{421}}^1$

素因数の和:489

約数の個数: 96

約数和(自身を含む): 71463168

約数和(自身を除く): 44881228

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 41, 44, 55, 70, 77, 82, 110, 140, 154, 164, 205, 220, 287, 308, 385, 410, 421, 451, 574, 770, 820, 842, 902, 1148, 1435, 1540, 1684, 1804, 2105, 2255, 2870, 2947, 3157, 4210, 4510, 4631, 5740, 5894, 6314, 8420, 9020, 9262, 11788, 12628, 14735, 15785, 17261, 18524, 23155, 29470, 31570, 32417, 34522, 46310, 58940, 63140, 64834, 69044, 86305, 92620, 120827, 129668, 162085, 172610, 189871, 241654, 324170, 345220, 379742, 483308, 604135, 648340, 759484, 949355, 1208270, 1329097, 1898710, 2416540, 2658194, 3797420, 5316388, 6645485, 13290970, 26581940]

約数ペア:

[(1, 26581940), (2, 13290970), (4, 6645485), (5, 5316388), (7, 3797420), (10, 2658194), (11, 2416540), (14, 1898710), (20, 1329097), (22, 1208270), (28, 949355), (35, 759484), (41, 648340), (44, 604135), (55, 483308), (70, 379742), (77, 345220), (82, 324170), (110, 241654), (140, 189871), (154, 172610), (164, 162085), (205, 129668), (220, 120827), (287, 92620), (308, 86305), (385, 69044), (410, 64834), (421, 63140), (451, 58940), (574, 46310), (770, 34522), (820, 32417), (842, 31570), (902, 29470), (1148, 23155), (1435, 18524), (1540, 17261), (1684, 15785), (1804, 14735), (2105, 12628), (2255, 11788), (2870, 9262), (2947, 9020), (3157, 8420), (4210, 6314), (4510, 5894), (4631, 5740)]