66909640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{12577}}^1$

素因数の和:12614

約数の個数: 64

約数和(自身を含む): 181123200

約数和(自身を除く): 114213560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 35, 38, 40, 56, 70, 76, 95, 133, 140, 152, 190, 266, 280, 380, 532, 665, 760, 1064, 1330, 2660, 5320, 12577, 25154, 50308, 62885, 88039, 100616, 125770, 176078, 238963, 251540, 352156, 440195, 477926, 503080, 704312, 880390, 955852, 1194815, 1672741, 1760780, 1911704, 2389630, 3345482, 3521560, 4779260, 6690964, 8363705, 9558520, 13381928, 16727410, 33454820, 66909640]

約数ペア:

[(1, 66909640), (2, 33454820), (4, 16727410), (5, 13381928), (7, 9558520), (8, 8363705), (10, 6690964), (14, 4779260), (19, 3521560), (20, 3345482), (28, 2389630), (35, 1911704), (38, 1760780), (40, 1672741), (56, 1194815), (70, 955852), (76, 880390), (95, 704312), (133, 503080), (140, 477926), (152, 440195), (190, 352156), (266, 251540), (280, 238963), (380, 176078), (532, 125770), (665, 100616), (760, 88039), (1064, 62885), (1330, 50308), (2660, 25154), (5320, 12577)]