42213160

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{197}}^1\times {\mathrm{487}}^1$

素因数の和:706

約数の個数: 64

約数和(自身を含む): 104353920

約数和(自身を除く): 62140760

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 197, 220, 394, 440, 487, 788, 974, 985, 1576, 1948, 1970, 2167, 2435, 3896, 3940, 4334, 4870, 5357, 7880, 8668, 9740, 10714, 10835, 17336, 19480, 21428, 21670, 26785, 42856, 43340, 53570, 86680, 95939, 107140, 191878, 214280, 383756, 479695, 767512, 959390, 1055329, 1918780, 2110658, 3837560, 4221316, 5276645, 8442632, 10553290, 21106580, 42213160]

約数ペア:

[(1, 42213160), (2, 21106580), (4, 10553290), (5, 8442632), (8, 5276645), (10, 4221316), (11, 3837560), (20, 2110658), (22, 1918780), (40, 1055329), (44, 959390), (55, 767512), (88, 479695), (110, 383756), (197, 214280), (220, 191878), (394, 107140), (440, 95939), (487, 86680), (788, 53570), (974, 43340), (985, 42856), (1576, 26785), (1948, 21670), (1970, 21428), (2167, 19480), (2435, 17336), (3896, 10835), (3940, 10714), (4334, 9740), (4870, 8668), (5357, 7880)]