20147455000

素因数分解:

$2^3\times 5^4\times {\mathrm{1907}}^1\times {\mathrm{2113}}^1$

素因数の和:4046

約数の個数: 80

約数和(自身を含む): 47252593080

約数和(自身を除く): 27105138080

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 200, 250, 500, 625, 1000, 1250, 1907, 2113, 2500, 3814, 4226, 5000, 7628, 8452, 9535, 10565, 15256, 16904, 19070, 21130, 38140, 42260, 47675, 52825, 76280, 84520, 95350, 105650, 190700, 211300, 238375, 264125, 381400, 422600, 476750, 528250, 953500, 1056500, 1191875, 1320625, 1907000, 2113000, 2383750, 2641250, 4029491, 4767500, 5282500, 8058982, 9535000, 10565000, 16117964, 20147455, 32235928, 40294910, 80589820, 100737275, 161179640, 201474550, 402949100, 503686375, 805898200, 1007372750, 2014745500, 2518431875, 4029491000, 5036863750, 10073727500, 20147455000]

約数ペア:

[(1, 20147455000), (2, 10073727500), (4, 5036863750), (5, 4029491000), (8, 2518431875), (10, 2014745500), (20, 1007372750), (25, 805898200), (40, 503686375), (50, 402949100), (100, 201474550), (125, 161179640), (200, 100737275), (250, 80589820), (500, 40294910), (625, 32235928), (1000, 20147455), (1250, 16117964), (1907, 10565000), (2113, 9535000), (2500, 8058982), (3814, 5282500), (4226, 4767500), (5000, 4029491), (7628, 2641250), (8452, 2383750), (9535, 2113000), (10565, 1907000), (15256, 1320625), (16904, 1191875), (19070, 1056500), (21130, 953500), (38140, 528250), (42260, 476750), (47675, 422600), (52825, 381400), (76280, 264125), (84520, 238375), (95350, 211300), (105650, 190700)]