20100565850

素因数分解:

$2^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{181}}^1\times {\mathrm{71647}}^1$

素因数の和:71871

約数の個数: 48

約数和(自身を含む): 38806849536

約数和(自身を除く): 18706283686

約数列:

[1, 2, 5, 10, 25, 31, 50, 62, 155, 181, 310, 362, 775, 905, 1550, 1810, 4525, 5611, 9050, 11222, 28055, 56110, 71647, 140275, 143294, 280550, 358235, 716470, 1791175, 2221057, 3582350, 4442114, 11105285, 12968107, 22210570, 25936214, 55526425, 64840535, 111052850, 129681070, 324202675, 402011317, 648405350, 804022634, 2010056585, 4020113170, 10050282925, 20100565850]

約数ペア:

[(1, 20100565850), (2, 10050282925), (5, 4020113170), (10, 2010056585), (25, 804022634), (31, 648405350), (50, 402011317), (62, 324202675), (155, 129681070), (181, 111052850), (310, 64840535), (362, 55526425), (775, 25936214), (905, 22210570), (1550, 12968107), (1810, 11105285), (4525, 4442114), (5611, 3582350), (9050, 2221057), (11222, 1791175), (28055, 716470), (56110, 358235), (71647, 280550), (140275, 143294)]