20131475080

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{251}}^1\times {\mathrm{105533}}^1$

素因数の和:105814

約数の個数: 64

約数和(自身を含む): 47870222400

約数和(自身を除く): 27738747320

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 251, 380, 502, 760, 1004, 1255, 2008, 2510, 4769, 5020, 9538, 10040, 19076, 23845, 38152, 47690, 95380, 105533, 190760, 211066, 422132, 527665, 844264, 1055330, 2005127, 2110660, 4010254, 4221320, 8020508, 10025635, 16041016, 20051270, 26488783, 40102540, 52977566, 80205080, 105955132, 132443915, 211910264, 264887830, 503286877, 529775660, 1006573754, 1059551320, 2013147508, 2516434385, 4026295016, 5032868770, 10065737540, 20131475080]

約数ペア:

[(1, 20131475080), (2, 10065737540), (4, 5032868770), (5, 4026295016), (8, 2516434385), (10, 2013147508), (19, 1059551320), (20, 1006573754), (38, 529775660), (40, 503286877), (76, 264887830), (95, 211910264), (152, 132443915), (190, 105955132), (251, 80205080), (380, 52977566), (502, 40102540), (760, 26488783), (1004, 20051270), (1255, 16041016), (2008, 10025635), (2510, 8020508), (4769, 4221320), (5020, 4010254), (9538, 2110660), (10040, 2005127), (19076, 1055330), (23845, 844264), (38152, 527665), (47690, 422132), (95380, 211066), (105533, 190760)]