12922508740

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{199483}}^1$

素因数の和:199612

約数の個数: 48

約数和(自身を含む): 28151182080

約数和(自身を除く): 15228673340

約数列:

[1, 2, 4, 5, 10, 20, 41, 79, 82, 158, 164, 205, 316, 395, 410, 790, 820, 1580, 3239, 6478, 12956, 16195, 32390, 64780, 199483, 398966, 797932, 997415, 1994830, 3989660, 8178803, 15759157, 16357606, 31518314, 32715212, 40894015, 63036628, 78795785, 81788030, 157591570, 163576060, 315183140, 646125437, 1292250874, 2584501748, 3230627185, 6461254370, 12922508740]

約数ペア:

[(1, 12922508740), (2, 6461254370), (4, 3230627185), (5, 2584501748), (10, 1292250874), (20, 646125437), (41, 315183140), (79, 163576060), (82, 157591570), (158, 81788030), (164, 78795785), (205, 63036628), (316, 40894015), (395, 32715212), (410, 31518314), (790, 16357606), (820, 15759157), (1580, 8178803), (3239, 3989660), (6478, 1994830), (12956, 997415), (16195, 797932), (32390, 398966), (64780, 199483)]