26651920

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19597}}^1$

素因数の和:19627

約数の個数: 40

約数和(自身を含む): 65614104

約数和(自身を除く): 38962184

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 19597, 39194, 78388, 97985, 156776, 195970, 313552, 333149, 391940, 666298, 783880, 1332596, 1567760, 1665745, 2665192, 3331490, 5330384, 6662980, 13325960, 26651920]

約数ペア:

[(1, 26651920), (2, 13325960), (4, 6662980), (5, 5330384), (8, 3331490), (10, 2665192), (16, 1665745), (17, 1567760), (20, 1332596), (34, 783880), (40, 666298), (68, 391940), (80, 333149), (85, 313552), (136, 195970), (170, 156776), (272, 97985), (340, 78388), (680, 39194), (1360, 19597)]