2080663750

素因数分解:

$2^1\times 5^4\times {\mathrm{11}}^1\times {\mathrm{389}}^2$

素因数の和:811

約数の個数: 60

約数和(自身を含む): 4265506476

約数和(自身を除く): 2184842726

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 110, 125, 250, 275, 389, 550, 625, 778, 1250, 1375, 1945, 2750, 3890, 4279, 6875, 8558, 9725, 13750, 19450, 21395, 42790, 48625, 97250, 106975, 151321, 213950, 243125, 302642, 486250, 534875, 756605, 1069750, 1513210, 1664531, 2674375, 3329062, 3783025, 5348750, 7566050, 8322655, 16645310, 18915125, 37830250, 41613275, 83226550, 94575625, 189151250, 208066375, 416132750, 1040331875, 2080663750]

約数ペア:

[(1, 2080663750), (2, 1040331875), (5, 416132750), (10, 208066375), (11, 189151250), (22, 94575625), (25, 83226550), (50, 41613275), (55, 37830250), (110, 18915125), (125, 16645310), (250, 8322655), (275, 7566050), (389, 5348750), (550, 3783025), (625, 3329062), (778, 2674375), (1250, 1664531), (1375, 1513210), (1945, 1069750), (2750, 756605), (3890, 534875), (4279, 486250), (6875, 302642), (8558, 243125), (9725, 213950), (13750, 151321), (19450, 106975), (21395, 97250), (42790, 48625)]