2016809875

素因数分解:

$5^3\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{113}}^1\times {\mathrm{227}}^1$

素因数の和:409

約数の個数: 64

約数和(自身を含む): 2773450368

約数和(自身を除く): 756640493

約数列:

[1, 5, 17, 25, 37, 85, 113, 125, 185, 227, 425, 565, 629, 925, 1135, 1921, 2125, 2825, 3145, 3859, 4181, 4625, 5675, 8399, 9605, 14125, 15725, 19295, 20905, 25651, 28375, 41995, 48025, 71077, 78625, 96475, 104525, 128255, 142783, 209975, 240125, 355385, 436067, 482375, 522625, 641275, 713915, 949087, 1049875, 1776925, 2180335, 3206375, 3569575, 4745435, 8884625, 10901675, 16134479, 17847875, 23727175, 54508375, 80672395, 118635875, 403361975, 2016809875]

約数ペア:

[(1, 2016809875), (5, 403361975), (17, 118635875), (25, 80672395), (37, 54508375), (85, 23727175), (113, 17847875), (125, 16134479), (185, 10901675), (227, 8884625), (425, 4745435), (565, 3569575), (629, 3206375), (925, 2180335), (1135, 1776925), (1921, 1049875), (2125, 949087), (2825, 713915), (3145, 641275), (3859, 522625), (4181, 482375), (4625, 436067), (5675, 355385), (8399, 240125), (9605, 209975), (14125, 142783), (15725, 128255), (19295, 104525), (20905, 96475), (25651, 78625), (28375, 71077), (41995, 48025)]