38647160

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{337}}^1$

素因数の和:456

約数の個数: 64

約数和(自身を含む): 90529920

約数和(自身を除く): 51882760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 61, 94, 122, 188, 235, 244, 305, 337, 376, 470, 488, 610, 674, 940, 1220, 1348, 1685, 1880, 2440, 2696, 2867, 3370, 5734, 6740, 11468, 13480, 14335, 15839, 20557, 22936, 28670, 31678, 41114, 57340, 63356, 79195, 82228, 102785, 114680, 126712, 158390, 164456, 205570, 316780, 411140, 633560, 822280, 966179, 1932358, 3864716, 4830895, 7729432, 9661790, 19323580, 38647160]

約数ペア:

[(1, 38647160), (2, 19323580), (4, 9661790), (5, 7729432), (8, 4830895), (10, 3864716), (20, 1932358), (40, 966179), (47, 822280), (61, 633560), (94, 411140), (122, 316780), (188, 205570), (235, 164456), (244, 158390), (305, 126712), (337, 114680), (376, 102785), (470, 82228), (488, 79195), (610, 63356), (674, 57340), (940, 41114), (1220, 31678), (1348, 28670), (1685, 22936), (1880, 20557), (2440, 15839), (2696, 14335), (2867, 13480), (3370, 11468), (5734, 6740)]