261673100

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{201287}}^1$

素因数の和:201314

約数の個数: 36

約数和(自身を含む): 611512944

約数和(自身を除く): 349839844

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 260, 325, 650, 1300, 201287, 402574, 805148, 1006435, 2012870, 2616731, 4025740, 5032175, 5233462, 10064350, 10466924, 13083655, 20128700, 26167310, 52334620, 65418275, 130836550, 261673100]

約数ペア:

[(1, 261673100), (2, 130836550), (4, 65418275), (5, 52334620), (10, 26167310), (13, 20128700), (20, 13083655), (25, 10466924), (26, 10064350), (50, 5233462), (52, 5032175), (65, 4025740), (100, 2616731), (130, 2012870), (260, 1006435), (325, 805148), (650, 402574), (1300, 201287)]