13110520

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{109}}^1$

素因数の和:248

約数の個数: 64

約数和(自身を含む): 31046400

約数和(自身を除く): 17935880

約数列:

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

約数ペア:

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