135784120

素因数分解:

$2^3\times 5^1\times {\mathrm{131}}^1\times {\mathrm{25913}}^1$

素因数の和:26055

約数の個数: 32

約数和(自身を含む): 307858320

約数和(自身を除く): 172074200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 131, 262, 524, 655, 1048, 1310, 2620, 5240, 25913, 51826, 103652, 129565, 207304, 259130, 518260, 1036520, 3394603, 6789206, 13578412, 16973015, 27156824, 33946030, 67892060, 135784120]

約数ペア:

[(1, 135784120), (2, 67892060), (4, 33946030), (5, 27156824), (8, 16973015), (10, 13578412), (20, 6789206), (40, 3394603), (131, 1036520), (262, 518260), (524, 259130), (655, 207304), (1048, 129565), (1310, 103652), (2620, 51826), (5240, 25913)]