80277080

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{317}}^1\times {\mathrm{487}}^1$

素因数の和:828

約数の個数: 64

約数和(自身を含む): 195531840

約数和(自身を除く): 115254760

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 317, 487, 520, 634, 974, 1268, 1585, 1948, 2435, 2536, 3170, 3896, 4121, 4870, 6331, 6340, 8242, 9740, 12662, 12680, 16484, 19480, 20605, 25324, 31655, 32968, 41210, 50648, 63310, 82420, 126620, 154379, 164840, 253240, 308758, 617516, 771895, 1235032, 1543790, 2006927, 3087580, 4013854, 6175160, 8027708, 10034635, 16055416, 20069270, 40138540, 80277080]

約数ペア:

[(1, 80277080), (2, 40138540), (4, 20069270), (5, 16055416), (8, 10034635), (10, 8027708), (13, 6175160), (20, 4013854), (26, 3087580), (40, 2006927), (52, 1543790), (65, 1235032), (104, 771895), (130, 617516), (260, 308758), (317, 253240), (487, 164840), (520, 154379), (634, 126620), (974, 82420), (1268, 63310), (1585, 50648), (1948, 41210), (2435, 32968), (2536, 31655), (3170, 25324), (3896, 20605), (4121, 19480), (4870, 16484), (6331, 12680), (6340, 12662), (8242, 9740)]