210856880

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{202747}}^1$

素因数の和:202773

約数の個数: 40

約数和(自身を含む): 527955792

約数和(自身を除く): 317098912

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 202747, 405494, 810988, 1013735, 1621976, 2027470, 2635711, 3243952, 4054940, 5271422, 8109880, 10542844, 13178555, 16219760, 21085688, 26357110, 42171376, 52714220, 105428440, 210856880]

約数ペア:

[(1, 210856880), (2, 105428440), (4, 52714220), (5, 42171376), (8, 26357110), (10, 21085688), (13, 16219760), (16, 13178555), (20, 10542844), (26, 8109880), (40, 5271422), (52, 4054940), (65, 3243952), (80, 2635711), (104, 2027470), (130, 1621976), (208, 1013735), (260, 810988), (520, 405494), (1040, 202747)]