51891280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{4877}}^1$

素因数の和:4916

約数の個数: 80

約数和(自身を含む): 145169280

約数和(自身を除く): 93278000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 35, 38, 40, 56, 70, 76, 80, 95, 112, 133, 140, 152, 190, 266, 280, 304, 380, 532, 560, 665, 760, 1064, 1330, 1520, 2128, 2660, 4877, 5320, 9754, 10640, 19508, 24385, 34139, 39016, 48770, 68278, 78032, 92663, 97540, 136556, 170695, 185326, 195080, 273112, 341390, 370652, 390160, 463315, 546224, 648641, 682780, 741304, 926630, 1297282, 1365560, 1482608, 1853260, 2594564, 2731120, 3243205, 3706520, 5189128, 6486410, 7413040, 10378256, 12972820, 25945640, 51891280]

約数ペア:

[(1, 51891280), (2, 25945640), (4, 12972820), (5, 10378256), (7, 7413040), (8, 6486410), (10, 5189128), (14, 3706520), (16, 3243205), (19, 2731120), (20, 2594564), (28, 1853260), (35, 1482608), (38, 1365560), (40, 1297282), (56, 926630), (70, 741304), (76, 682780), (80, 648641), (95, 546224), (112, 463315), (133, 390160), (140, 370652), (152, 341390), (190, 273112), (266, 195080), (280, 185326), (304, 170695), (380, 136556), (532, 97540), (560, 92663), (665, 78032), (760, 68278), (1064, 48770), (1330, 39016), (1520, 34139), (2128, 24385), (2660, 19508), (4877, 10640), (5320, 9754)]