20078064500

素因数分解:

$2^2\times 5^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{99643}}^1$

素因数の和:99706

約数の個数: 96

約数和(自身を含む): 48747439104

約数和(自身を除く): 28669374604

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 31, 50, 52, 62, 65, 100, 124, 125, 130, 155, 250, 260, 310, 325, 403, 500, 620, 650, 775, 806, 1300, 1550, 1612, 1625, 2015, 3100, 3250, 3875, 4030, 6500, 7750, 8060, 10075, 15500, 20150, 40300, 50375, 99643, 100750, 199286, 201500, 398572, 498215, 996430, 1295359, 1992860, 2491075, 2590718, 3088933, 4982150, 5181436, 6177866, 6476795, 9964300, 12355732, 12455375, 12953590, 15444665, 24910750, 25907180, 30889330, 32383975, 40156129, 49821500, 61778660, 64767950, 77223325, 80312258, 129535900, 154446650, 160624516, 161919875, 200780645, 308893300, 323839750, 386116625, 401561290, 647679500, 772233250, 803122580, 1003903225, 1544466500, 2007806450, 4015612900, 5019516125, 10039032250, 20078064500]

約数ペア:

[(1, 20078064500), (2, 10039032250), (4, 5019516125), (5, 4015612900), (10, 2007806450), (13, 1544466500), (20, 1003903225), (25, 803122580), (26, 772233250), (31, 647679500), (50, 401561290), (52, 386116625), (62, 323839750), (65, 308893300), (100, 200780645), (124, 161919875), (125, 160624516), (130, 154446650), (155, 129535900), (250, 80312258), (260, 77223325), (310, 64767950), (325, 61778660), (403, 49821500), (500, 40156129), (620, 32383975), (650, 30889330), (775, 25907180), (806, 24910750), (1300, 15444665), (1550, 12953590), (1612, 12455375), (1625, 12355732), (2015, 9964300), (3100, 6476795), (3250, 6177866), (3875, 5181436), (4030, 4982150), (6500, 3088933), (7750, 2590718), (8060, 2491075), (10075, 1992860), (15500, 1295359), (20150, 996430), (40300, 498215), (50375, 398572), (99643, 201500), (100750, 199286)]