42087890

素因数分解:

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

素因数の和:1514

約数の個数: 32

約数和(自身を含む): 81962496

約数和(自身を除く): 39874606

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 263, 526, 1231, 1315, 2462, 2630, 3419, 6155, 6838, 12310, 16003, 17095, 32006, 34190, 80015, 160030, 323753, 647506, 1618765, 3237530, 4208789, 8417578, 21043945, 42087890]

約数ペア:

[(1, 42087890), (2, 21043945), (5, 8417578), (10, 4208789), (13, 3237530), (26, 1618765), (65, 647506), (130, 323753), (263, 160030), (526, 80015), (1231, 34190), (1315, 32006), (2462, 17095), (2630, 16003), (3419, 12310), (6155, 6838)]