8870030

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{71}}^1$

素因数の和:153

約数の個数: 48

約数和(自身を含む): 18016992

約数和(自身を除く): 9146962

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 71, 130, 142, 155, 310, 355, 403, 710, 806, 923, 961, 1846, 1922, 2015, 2201, 4030, 4402, 4615, 4805, 9230, 9610, 11005, 12493, 22010, 24986, 28613, 57226, 62465, 68231, 124930, 136462, 143065, 286130, 341155, 682310, 887003, 1774006, 4435015, 8870030]

約数ペア:

[(1, 8870030), (2, 4435015), (5, 1774006), (10, 887003), (13, 682310), (26, 341155), (31, 286130), (62, 143065), (65, 136462), (71, 124930), (130, 68231), (142, 62465), (155, 57226), (310, 28613), (355, 24986), (403, 22010), (710, 12493), (806, 11005), (923, 9610), (961, 9230), (1846, 4805), (1922, 4615), (2015, 4402), (2201, 4030)]