25938440

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{167}}^1\times {\mathrm{353}}^1$

素因数の和:542

約数の個数: 64

約数和(自身を含む): 64229760

約数和(自身を除く): 38291320

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 167, 220, 334, 353, 440, 668, 706, 835, 1336, 1412, 1670, 1765, 1837, 2824, 3340, 3530, 3674, 3883, 6680, 7060, 7348, 7766, 9185, 14120, 14696, 15532, 18370, 19415, 31064, 36740, 38830, 58951, 73480, 77660, 117902, 155320, 235804, 294755, 471608, 589510, 648461, 1179020, 1296922, 2358040, 2593844, 3242305, 5187688, 6484610, 12969220, 25938440]

約数ペア:

[(1, 25938440), (2, 12969220), (4, 6484610), (5, 5187688), (8, 3242305), (10, 2593844), (11, 2358040), (20, 1296922), (22, 1179020), (40, 648461), (44, 589510), (55, 471608), (88, 294755), (110, 235804), (167, 155320), (220, 117902), (334, 77660), (353, 73480), (440, 58951), (668, 38830), (706, 36740), (835, 31064), (1336, 19415), (1412, 18370), (1670, 15532), (1765, 14696), (1837, 14120), (2824, 9185), (3340, 7766), (3530, 7348), (3674, 7060), (3883, 6680)]