105428440

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{202747}}^1$

素因数の和:202771

約数の個数: 32

約数和(自身を含む): 255462480

約数和(自身を除く): 150034040

約数列:

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

約数ペア:

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