20527433750

素因数分解:

$2^1\times 5^4\times {\mathrm{19}}^1\times {\mathrm{421}}^1\times {\mathrm{2053}}^1$

素因数の和:2515

約数の個数: 80

約数和(自身を含む): 40617685680

約数和(自身を除く): 20090251930

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 95, 125, 190, 250, 421, 475, 625, 842, 950, 1250, 2053, 2105, 2375, 4106, 4210, 4750, 7999, 10265, 10525, 11875, 15998, 20530, 21050, 23750, 39007, 39995, 51325, 52625, 78014, 79990, 102650, 105250, 195035, 199975, 256625, 263125, 390070, 399950, 513250, 526250, 864313, 975175, 999875, 1283125, 1728626, 1950350, 1999750, 2566250, 4321565, 4875875, 4999375, 8643130, 9751750, 9998750, 16421947, 21607825, 24379375, 32843894, 43215650, 48758750, 82109735, 108039125, 164219470, 216078250, 410548675, 540195625, 821097350, 1080391250, 2052743375, 4105486750, 10263716875, 20527433750]

約数ペア:

[(1, 20527433750), (2, 10263716875), (5, 4105486750), (10, 2052743375), (19, 1080391250), (25, 821097350), (38, 540195625), (50, 410548675), (95, 216078250), (125, 164219470), (190, 108039125), (250, 82109735), (421, 48758750), (475, 43215650), (625, 32843894), (842, 24379375), (950, 21607825), (1250, 16421947), (2053, 9998750), (2105, 9751750), (2375, 8643130), (4106, 4999375), (4210, 4875875), (4750, 4321565), (7999, 2566250), (10265, 1999750), (10525, 1950350), (11875, 1728626), (15998, 1283125), (20530, 999875), (21050, 975175), (23750, 864313), (39007, 526250), (39995, 513250), (51325, 399950), (52625, 390070), (78014, 263125), (79990, 256625), (102650, 199975), (105250, 195035)]