20123678200

素因数分解:

$2^3\times 5^2\times {\mathrm{97}}^1\times {\mathrm{1037303}}^1$

素因数の和:1037416

約数の個数: 48

約数和(自身を含む): 47269943280

約数和(自身を除く): 27146265080

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 97, 100, 194, 200, 388, 485, 776, 970, 1940, 2425, 3880, 4850, 9700, 19400, 1037303, 2074606, 4149212, 5186515, 8298424, 10373030, 20746060, 25932575, 41492120, 51865150, 100618391, 103730300, 201236782, 207460600, 402473564, 503091955, 804947128, 1006183910, 2012367820, 2515459775, 4024735640, 5030919550, 10061839100, 20123678200]

約数ペア:

[(1, 20123678200), (2, 10061839100), (4, 5030919550), (5, 4024735640), (8, 2515459775), (10, 2012367820), (20, 1006183910), (25, 804947128), (40, 503091955), (50, 402473564), (97, 207460600), (100, 201236782), (194, 103730300), (200, 100618391), (388, 51865150), (485, 41492120), (776, 25932575), (970, 20746060), (1940, 10373030), (2425, 8298424), (3880, 5186515), (4850, 4149212), (9700, 2074606), (19400, 1037303)]