2021145560

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{2539}}^1\times {\mathrm{2843}}^1$

素因数の和:5400

約数の個数: 64

約数和(自身を含む): 5201107200

約数和(自身を除く): 3179961640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 2539, 2843, 5078, 5686, 10156, 11372, 12695, 14215, 17773, 19901, 20312, 22744, 25390, 28430, 35546, 39802, 50780, 56860, 71092, 79604, 88865, 99505, 101560, 113720, 142184, 159208, 177730, 199010, 355460, 398020, 710920, 796040, 7218377, 14436754, 28873508, 36091885, 50528639, 57747016, 72183770, 101057278, 144367540, 202114556, 252643195, 288735080, 404229112, 505286390, 1010572780, 2021145560]

約数ペア:

[(1, 2021145560), (2, 1010572780), (4, 505286390), (5, 404229112), (7, 288735080), (8, 252643195), (10, 202114556), (14, 144367540), (20, 101057278), (28, 72183770), (35, 57747016), (40, 50528639), (56, 36091885), (70, 28873508), (140, 14436754), (280, 7218377), (2539, 796040), (2843, 710920), (5078, 398020), (5686, 355460), (10156, 199010), (11372, 177730), (12695, 159208), (14215, 142184), (17773, 113720), (19901, 101560), (20312, 99505), (22744, 88865), (25390, 79604), (28430, 71092), (35546, 56860), (39802, 50780)]