51363440

素因数分解:

$2^4\times 5^1\times {\mathrm{97}}^1\times {\mathrm{6619}}^1$

素因数の和:6729

約数の個数: 40

約数和(自身を含む): 120669360

約数和(自身を除く): 69305920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 97, 194, 388, 485, 776, 970, 1552, 1940, 3880, 6619, 7760, 13238, 26476, 33095, 52952, 66190, 105904, 132380, 264760, 529520, 642043, 1284086, 2568172, 3210215, 5136344, 6420430, 10272688, 12840860, 25681720, 51363440]

約数ペア:

[(1, 51363440), (2, 25681720), (4, 12840860), (5, 10272688), (8, 6420430), (10, 5136344), (16, 3210215), (20, 2568172), (40, 1284086), (80, 642043), (97, 529520), (194, 264760), (388, 132380), (485, 105904), (776, 66190), (970, 52952), (1552, 33095), (1940, 26476), (3880, 13238), (6619, 7760)]