20178076750

素因数分解:

$2^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{214091}}^1$

素因数の和:214150

約数の個数: 64

約数和(自身を含む): 42081923520

約数和(自身を除く): 21903846770

約数列:

[1, 2, 5, 10, 13, 25, 26, 29, 50, 58, 65, 125, 130, 145, 250, 290, 325, 377, 650, 725, 754, 1450, 1625, 1885, 3250, 3625, 3770, 7250, 9425, 18850, 47125, 94250, 214091, 428182, 1070455, 2140910, 2783183, 5352275, 5566366, 6208639, 10704550, 12417278, 13915915, 26761375, 27831830, 31043195, 53522750, 62086390, 69579575, 80712307, 139159150, 155215975, 161424614, 310431950, 347897875, 403561535, 695795750, 776079875, 807123070, 1552159750, 2017807675, 4035615350, 10089038375, 20178076750]

約数ペア:

[(1, 20178076750), (2, 10089038375), (5, 4035615350), (10, 2017807675), (13, 1552159750), (25, 807123070), (26, 776079875), (29, 695795750), (50, 403561535), (58, 347897875), (65, 310431950), (125, 161424614), (130, 155215975), (145, 139159150), (250, 80712307), (290, 69579575), (325, 62086390), (377, 53522750), (650, 31043195), (725, 27831830), (754, 26761375), (1450, 13915915), (1625, 12417278), (1885, 10704550), (3250, 6208639), (3625, 5566366), (3770, 5352275), (7250, 2783183), (9425, 2140910), (18850, 1070455), (47125, 428182), (94250, 214091)]