50668400

素因数分解:

$2^4\times 5^2\times {\mathrm{197}}^1\times {\mathrm{643}}^1$

素因数の和:858

約数の個数: 60

約数和(自身を含む): 122539032

約数和(自身を除く): 71870632

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 197, 200, 394, 400, 643, 788, 985, 1286, 1576, 1970, 2572, 3152, 3215, 3940, 4925, 5144, 6430, 7880, 9850, 10288, 12860, 15760, 16075, 19700, 25720, 32150, 39400, 51440, 64300, 78800, 126671, 128600, 253342, 257200, 506684, 633355, 1013368, 1266710, 2026736, 2533420, 3166775, 5066840, 6333550, 10133680, 12667100, 25334200, 50668400]

約数ペア:

[(1, 50668400), (2, 25334200), (4, 12667100), (5, 10133680), (8, 6333550), (10, 5066840), (16, 3166775), (20, 2533420), (25, 2026736), (40, 1266710), (50, 1013368), (80, 633355), (100, 506684), (197, 257200), (200, 253342), (394, 128600), (400, 126671), (643, 78800), (788, 64300), (985, 51440), (1286, 39400), (1576, 32150), (1970, 25720), (2572, 19700), (3152, 16075), (3215, 15760), (3940, 12860), (4925, 10288), (5144, 9850), (6430, 7880)]