20134911280

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{311}}^1\times {\mathrm{73571}}^1$

素因数の和:73906

約数の個数: 80

約数和(自身を含む): 51234363648

約数和(自身を除く): 31099452368

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 311, 440, 622, 880, 1244, 1555, 2488, 3110, 3421, 4976, 6220, 6842, 12440, 13684, 17105, 24880, 27368, 34210, 54736, 68420, 73571, 136840, 147142, 273680, 294284, 367855, 588568, 735710, 809281, 1177136, 1471420, 1618562, 2942840, 3237124, 4046405, 5885680, 6474248, 8092810, 12948496, 16185620, 22880581, 32371240, 45761162, 64742480, 91522324, 114402905, 183044648, 228805810, 251686391, 366089296, 457611620, 503372782, 915223240, 1006745564, 1258431955, 1830446480, 2013491128, 2516863910, 4026982256, 5033727820, 10067455640, 20134911280]

約数ペア:

[(1, 20134911280), (2, 10067455640), (4, 5033727820), (5, 4026982256), (8, 2516863910), (10, 2013491128), (11, 1830446480), (16, 1258431955), (20, 1006745564), (22, 915223240), (40, 503372782), (44, 457611620), (55, 366089296), (80, 251686391), (88, 228805810), (110, 183044648), (176, 114402905), (220, 91522324), (311, 64742480), (440, 45761162), (622, 32371240), (880, 22880581), (1244, 16185620), (1555, 12948496), (2488, 8092810), (3110, 6474248), (3421, 5885680), (4976, 4046405), (6220, 3237124), (6842, 2942840), (12440, 1618562), (13684, 1471420), (17105, 1177136), (24880, 809281), (27368, 735710), (34210, 588568), (54736, 367855), (68420, 294284), (73571, 273680), (136840, 147142)]