12969220

素因数分解:

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

素因数の和:540

約数の個数: 48

約数和(自身を含む): 29973888

約数和(自身を除く): 17004668

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 167, 220, 334, 353, 668, 706, 835, 1412, 1670, 1765, 1837, 3340, 3530, 3674, 3883, 7060, 7348, 7766, 9185, 15532, 18370, 19415, 36740, 38830, 58951, 77660, 117902, 235804, 294755, 589510, 648461, 1179020, 1296922, 2593844, 3242305, 6484610, 12969220]

約数ペア:

[(1, 12969220), (2, 6484610), (4, 3242305), (5, 2593844), (10, 1296922), (11, 1179020), (20, 648461), (22, 589510), (44, 294755), (55, 235804), (110, 117902), (167, 77660), (220, 58951), (334, 38830), (353, 36740), (668, 19415), (706, 18370), (835, 15532), (1412, 9185), (1670, 7766), (1765, 7348), (1837, 7060), (3340, 3883), (3530, 3674)]