21244652500

素因数分解:

$2^2\times 5^4\times {\mathrm{53}}^1\times {\mathrm{223}}^1\times {\mathrm{719}}^1$

素因数の和:1019

約数の個数: 120

約数和(自身を含む): 47612759040

約数和(自身を除く): 26368106540

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 53, 100, 106, 125, 212, 223, 250, 265, 446, 500, 530, 625, 719, 892, 1060, 1115, 1250, 1325, 1438, 2230, 2500, 2650, 2876, 3595, 4460, 5300, 5575, 6625, 7190, 11150, 11819, 13250, 14380, 17975, 22300, 23638, 26500, 27875, 33125, 35950, 38107, 47276, 55750, 59095, 66250, 71900, 76214, 89875, 111500, 118190, 132500, 139375, 152428, 160337, 179750, 190535, 236380, 278750, 295475, 320674, 359500, 381070, 449375, 557500, 590950, 641348, 762140, 801685, 898750, 952675, 1181900, 1477375, 1603370, 1797500, 1905350, 2954750, 3206740, 3810700, 4008425, 4763375, 5909500, 7386875, 8016850, 8497861, 9526750, 14773750, 16033700, 16995722, 19053500, 20042125, 23816875, 29547500, 33991444, 40084250, 42489305, 47633750, 80168500, 84978610, 95267500, 100210625, 169957220, 200421250, 212446525, 400842500, 424893050, 849786100, 1062232625, 2124465250, 4248930500, 5311163125, 10622326250, 21244652500]

約数ペア:

[(1, 21244652500), (2, 10622326250), (4, 5311163125), (5, 4248930500), (10, 2124465250), (20, 1062232625), (25, 849786100), (50, 424893050), (53, 400842500), (100, 212446525), (106, 200421250), (125, 169957220), (212, 100210625), (223, 95267500), (250, 84978610), (265, 80168500), (446, 47633750), (500, 42489305), (530, 40084250), (625, 33991444), (719, 29547500), (892, 23816875), (1060, 20042125), (1115, 19053500), (1250, 16995722), (1325, 16033700), (1438, 14773750), (2230, 9526750), (2500, 8497861), (2650, 8016850), (2876, 7386875), (3595, 5909500), (4460, 4763375), (5300, 4008425), (5575, 3810700), (6625, 3206740), (7190, 2954750), (11150, 1905350), (11819, 1797500), (13250, 1603370), (14380, 1477375), (17975, 1181900), (22300, 952675), (23638, 898750), (26500, 801685), (27875, 762140), (33125, 641348), (35950, 590950), (38107, 557500), (47276, 449375), (55750, 381070), (59095, 359500), (66250, 320674), (71900, 295475), (76214, 278750), (89875, 236380), (111500, 190535), (118190, 179750), (132500, 160337), (139375, 152428)]