2100066800

素因数分解:

$2^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{251}}^1\times {\mathrm{1609}}^1$

素因数の和:1891

約数の個数: 120

約数和(自身を含む): 5458556880

約数和(自身を除く): 3358490080

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 40, 50, 52, 65, 80, 100, 104, 130, 200, 208, 251, 260, 325, 400, 502, 520, 650, 1004, 1040, 1255, 1300, 1609, 2008, 2510, 2600, 3218, 3263, 4016, 5020, 5200, 6275, 6436, 6526, 8045, 10040, 12550, 12872, 13052, 16090, 16315, 20080, 20917, 25100, 25744, 26104, 32180, 32630, 40225, 41834, 50200, 52208, 64360, 65260, 80450, 81575, 83668, 100400, 104585, 128720, 130520, 160900, 163150, 167336, 209170, 261040, 321800, 326300, 334672, 403859, 418340, 522925, 643600, 652600, 807718, 836680, 1045850, 1305200, 1615436, 1673360, 2019295, 2091700, 3230872, 4038590, 4183400, 5250167, 6461744, 8077180, 8366800, 10096475, 10500334, 16154360, 20192950, 21000668, 26250835, 32308720, 40385900, 42001336, 52501670, 80771800, 84002672, 105003340, 131254175, 161543600, 210006680, 262508350, 420013360, 525016700, 1050033400, 2100066800]

約数ペア:

[(1, 2100066800), (2, 1050033400), (4, 525016700), (5, 420013360), (8, 262508350), (10, 210006680), (13, 161543600), (16, 131254175), (20, 105003340), (25, 84002672), (26, 80771800), (40, 52501670), (50, 42001336), (52, 40385900), (65, 32308720), (80, 26250835), (100, 21000668), (104, 20192950), (130, 16154360), (200, 10500334), (208, 10096475), (251, 8366800), (260, 8077180), (325, 6461744), (400, 5250167), (502, 4183400), (520, 4038590), (650, 3230872), (1004, 2091700), (1040, 2019295), (1255, 1673360), (1300, 1615436), (1609, 1305200), (2008, 1045850), (2510, 836680), (2600, 807718), (3218, 652600), (3263, 643600), (4016, 522925), (5020, 418340), (5200, 403859), (6275, 334672), (6436, 326300), (6526, 321800), (8045, 261040), (10040, 209170), (12550, 167336), (12872, 163150), (13052, 160900), (16090, 130520), (16315, 128720), (20080, 104585), (20917, 100400), (25100, 83668), (25744, 81575), (26104, 80450), (32180, 65260), (32630, 64360), (40225, 52208), (41834, 50200)]