84175780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{263}}^1\times {\mathrm{1231}}^1$

素因数の和:1516

約数の個数: 48

約数和(自身を含む): 191245824

約数和(自身を除く): 107070044

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 263, 526, 1052, 1231, 1315, 2462, 2630, 3419, 4924, 5260, 6155, 6838, 12310, 13676, 16003, 17095, 24620, 32006, 34190, 64012, 68380, 80015, 160030, 320060, 323753, 647506, 1295012, 1618765, 3237530, 4208789, 6475060, 8417578, 16835156, 21043945, 42087890, 84175780]

約数ペア:

[(1, 84175780), (2, 42087890), (4, 21043945), (5, 16835156), (10, 8417578), (13, 6475060), (20, 4208789), (26, 3237530), (52, 1618765), (65, 1295012), (130, 647506), (260, 323753), (263, 320060), (526, 160030), (1052, 80015), (1231, 68380), (1315, 64012), (2462, 34190), (2630, 32006), (3419, 24620), (4924, 17095), (5260, 16003), (6155, 13676), (6838, 12310)]