404512720

素因数分解:

$2^4\times 5^1\times {\mathrm{2113}}^1\times {\mathrm{2393}}^1$

素因数の和:4519

約数の個数: 40

約数和(自身を含む): 941330376

約数和(自身を除く): 536817656

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2113, 2393, 4226, 4786, 8452, 9572, 10565, 11965, 16904, 19144, 21130, 23930, 33808, 38288, 42260, 47860, 84520, 95720, 169040, 191440, 5056409, 10112818, 20225636, 25282045, 40451272, 50564090, 80902544, 101128180, 202256360, 404512720]

約数ペア:

[(1, 404512720), (2, 202256360), (4, 101128180), (5, 80902544), (8, 50564090), (10, 40451272), (16, 25282045), (20, 20225636), (40, 10112818), (80, 5056409), (2113, 191440), (2393, 169040), (4226, 95720), (4786, 84520), (8452, 47860), (9572, 42260), (10565, 38288), (11965, 33808), (16904, 23930), (19144, 21130)]