80509240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{7013}}^1$

素因数の和:7072

約数の個数: 64

約数和(自身を含む): 212103360

約数和(自身を除く): 131594120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 41, 56, 70, 82, 140, 164, 205, 280, 287, 328, 410, 574, 820, 1148, 1435, 1640, 2296, 2870, 5740, 7013, 11480, 14026, 28052, 35065, 49091, 56104, 70130, 98182, 140260, 196364, 245455, 280520, 287533, 392728, 490910, 575066, 981820, 1150132, 1437665, 1963640, 2012731, 2300264, 2875330, 4025462, 5750660, 8050924, 10063655, 11501320, 16101848, 20127310, 40254620, 80509240]

約数ペア:

[(1, 80509240), (2, 40254620), (4, 20127310), (5, 16101848), (7, 11501320), (8, 10063655), (10, 8050924), (14, 5750660), (20, 4025462), (28, 2875330), (35, 2300264), (40, 2012731), (41, 1963640), (56, 1437665), (70, 1150132), (82, 981820), (140, 575066), (164, 490910), (205, 392728), (280, 287533), (287, 280520), (328, 245455), (410, 196364), (574, 140260), (820, 98182), (1148, 70130), (1435, 56104), (1640, 49091), (2296, 35065), (2870, 28052), (5740, 14026), (7013, 11480)]