4080213140

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{176023}}^1$

素因数の和:176112

約数の個数: 48

約数和(自身を含む): 9167329920

約数和(自身を除く): 5087116780

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 61, 76, 95, 122, 190, 244, 305, 380, 610, 1159, 1220, 2318, 4636, 5795, 11590, 23180, 176023, 352046, 704092, 880115, 1760230, 3344437, 3520460, 6688874, 10737403, 13377748, 16722185, 21474806, 33444370, 42949612, 53687015, 66888740, 107374030, 204010657, 214748060, 408021314, 816042628, 1020053285, 2040106570, 4080213140]

約数ペア:

[(1, 4080213140), (2, 2040106570), (4, 1020053285), (5, 816042628), (10, 408021314), (19, 214748060), (20, 204010657), (38, 107374030), (61, 66888740), (76, 53687015), (95, 42949612), (122, 33444370), (190, 21474806), (244, 16722185), (305, 13377748), (380, 10737403), (610, 6688874), (1159, 3520460), (1220, 3344437), (2318, 1760230), (4636, 880115), (5795, 704092), (11590, 352046), (23180, 176023)]