40534720

素因数分解:

$2^6\times 5^1\times {\mathrm{197}}^1\times {\mathrm{643}}^1$

素因数の和:857

約数の個数: 56

約数和(自身を含む): 97164144

約数和(自身を除く): 56629424

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 197, 320, 394, 643, 788, 985, 1286, 1576, 1970, 2572, 3152, 3215, 3940, 5144, 6304, 6430, 7880, 10288, 12608, 12860, 15760, 20576, 25720, 31520, 41152, 51440, 63040, 102880, 126671, 205760, 253342, 506684, 633355, 1013368, 1266710, 2026736, 2533420, 4053472, 5066840, 8106944, 10133680, 20267360, 40534720]

約数ペア:

[(1, 40534720), (2, 20267360), (4, 10133680), (5, 8106944), (8, 5066840), (10, 4053472), (16, 2533420), (20, 2026736), (32, 1266710), (40, 1013368), (64, 633355), (80, 506684), (160, 253342), (197, 205760), (320, 126671), (394, 102880), (643, 63040), (788, 51440), (985, 41152), (1286, 31520), (1576, 25720), (1970, 20576), (2572, 15760), (3152, 12860), (3215, 12608), (3940, 10288), (5144, 7880), (6304, 6430)]