20180851160

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{727}}^1\times {\mathrm{16139}}^1$

素因数の和:16920

約数の個数: 64

約数和(自身を含む): 46529683200

約数和(自身を除く): 26348832040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 727, 860, 1454, 1720, 2908, 3635, 5816, 7270, 14540, 16139, 29080, 31261, 32278, 62522, 64556, 80695, 125044, 129112, 156305, 161390, 250088, 312610, 322780, 625220, 645560, 693977, 1250440, 1387954, 2775908, 3469885, 5551816, 6939770, 11733053, 13879540, 23466106, 27759080, 46932212, 58665265, 93864424, 117330530, 234661060, 469322120, 504521279, 1009042558, 2018085116, 2522606395, 4036170232, 5045212790, 10090425580, 20180851160]

約数ペア:

[(1, 20180851160), (2, 10090425580), (4, 5045212790), (5, 4036170232), (8, 2522606395), (10, 2018085116), (20, 1009042558), (40, 504521279), (43, 469322120), (86, 234661060), (172, 117330530), (215, 93864424), (344, 58665265), (430, 46932212), (727, 27759080), (860, 23466106), (1454, 13879540), (1720, 11733053), (2908, 6939770), (3635, 5551816), (5816, 3469885), (7270, 2775908), (14540, 1387954), (16139, 1250440), (29080, 693977), (31261, 645560), (32278, 625220), (62522, 322780), (64556, 312610), (80695, 250088), (125044, 161390), (129112, 156305)]