2020138250

素因数分解:

$2^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{20051}}^1$

素因数の和:20112

約数の個数: 64

約数和(自身を含む): 4204182528

約数和(自身を除く): 2184044278

約数列:

[1, 2, 5, 10, 13, 25, 26, 31, 50, 62, 65, 125, 130, 155, 250, 310, 325, 403, 650, 775, 806, 1550, 1625, 2015, 3250, 3875, 4030, 7750, 10075, 20051, 20150, 40102, 50375, 100255, 100750, 200510, 260663, 501275, 521326, 621581, 1002550, 1243162, 1303315, 2506375, 2606630, 3107905, 5012750, 6215810, 6516575, 8080553, 13033150, 15539525, 16161106, 31079050, 32582875, 40402765, 65165750, 77697625, 80805530, 155395250, 202013825, 404027650, 1010069125, 2020138250]

約数ペア:

[(1, 2020138250), (2, 1010069125), (5, 404027650), (10, 202013825), (13, 155395250), (25, 80805530), (26, 77697625), (31, 65165750), (50, 40402765), (62, 32582875), (65, 31079050), (125, 16161106), (130, 15539525), (155, 13033150), (250, 8080553), (310, 6516575), (325, 6215810), (403, 5012750), (650, 3107905), (775, 2606630), (806, 2506375), (1550, 1303315), (1625, 1243162), (2015, 1002550), (3250, 621581), (3875, 521326), (4030, 501275), (7750, 260663), (10075, 200510), (20051, 100750), (20150, 100255), (40102, 50375)]