20120041100

素因数分解:

$2^2\times 5^2\times {\mathrm{131}}^1\times {\mathrm{443}}^1\times {\mathrm{3467}}^1$

素因数の和:4055

約数の個数: 72

約数和(自身を含む): 44105802048

約数和(自身を除く): 23985760948

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 131, 262, 443, 524, 655, 886, 1310, 1772, 2215, 2620, 3275, 3467, 4430, 6550, 6934, 8860, 11075, 13100, 13868, 17335, 22150, 34670, 44300, 58033, 69340, 86675, 116066, 173350, 232132, 290165, 346700, 454177, 580330, 908354, 1160660, 1450825, 1535881, 1816708, 2270885, 2901650, 3071762, 4541770, 5803300, 6143524, 7679405, 9083540, 11354425, 15358810, 22708850, 30717620, 38397025, 45417700, 76794050, 153588100, 201200411, 402400822, 804801644, 1006002055, 2012004110, 4024008220, 5030010275, 10060020550, 20120041100]

約数ペア:

[(1, 20120041100), (2, 10060020550), (4, 5030010275), (5, 4024008220), (10, 2012004110), (20, 1006002055), (25, 804801644), (50, 402400822), (100, 201200411), (131, 153588100), (262, 76794050), (443, 45417700), (524, 38397025), (655, 30717620), (886, 22708850), (1310, 15358810), (1772, 11354425), (2215, 9083540), (2620, 7679405), (3275, 6143524), (3467, 5803300), (4430, 4541770), (6550, 3071762), (6934, 2901650), (8860, 2270885), (11075, 1816708), (13100, 1535881), (13868, 1450825), (17335, 1160660), (22150, 908354), (34670, 580330), (44300, 454177), (58033, 346700), (69340, 290165), (86675, 232132), (116066, 173350)]