26221040

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{109}}^1$

素因数の和:250

約数の個数: 80

約数和(自身を含む): 64162560

約数和(自身を除く): 37941520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 97, 109, 124, 155, 194, 218, 248, 310, 388, 436, 485, 496, 545, 620, 776, 872, 970, 1090, 1240, 1552, 1744, 1940, 2180, 2480, 3007, 3379, 3880, 4360, 6014, 6758, 7760, 8720, 10573, 12028, 13516, 15035, 16895, 21146, 24056, 27032, 30070, 33790, 42292, 48112, 52865, 54064, 60140, 67580, 84584, 105730, 120280, 135160, 169168, 211460, 240560, 270320, 327763, 422920, 655526, 845840, 1311052, 1638815, 2622104, 3277630, 5244208, 6555260, 13110520, 26221040]

約数ペア:

[(1, 26221040), (2, 13110520), (4, 6555260), (5, 5244208), (8, 3277630), (10, 2622104), (16, 1638815), (20, 1311052), (31, 845840), (40, 655526), (62, 422920), (80, 327763), (97, 270320), (109, 240560), (124, 211460), (155, 169168), (194, 135160), (218, 120280), (248, 105730), (310, 84584), (388, 67580), (436, 60140), (485, 54064), (496, 52865), (545, 48112), (620, 42292), (776, 33790), (872, 30070), (970, 27032), (1090, 24056), (1240, 21146), (1552, 16895), (1744, 15035), (1940, 13516), (2180, 12028), (2480, 10573), (3007, 8720), (3379, 7760), (3880, 6758), (4360, 6014)]