135888920

素因数分解:

$2^3\times 5^1\times {\mathrm{131}}^1\times {\mathrm{25933}}^1$

素因数の和:26075

約数の個数: 32

約数和(自身を含む): 308095920

約数和(自身を除く): 172207000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 131, 262, 524, 655, 1048, 1310, 2620, 5240, 25933, 51866, 103732, 129665, 207464, 259330, 518660, 1037320, 3397223, 6794446, 13588892, 16986115, 27177784, 33972230, 67944460, 135888920]

約数ペア:

[(1, 135888920), (2, 67944460), (4, 33972230), (5, 27177784), (8, 16986115), (10, 13588892), (20, 6794446), (40, 3397223), (131, 1037320), (262, 518660), (524, 259330), (655, 207464), (1048, 129665), (1310, 103732), (2620, 51866), (5240, 25933)]