28613420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{1567}}^1$

素因数の和:1670

約数の個数: 48

約数和(自身を含む): 66382848

約数和(自身を除く): 37769428

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 83, 110, 166, 220, 332, 415, 830, 913, 1567, 1660, 1826, 3134, 3652, 4565, 6268, 7835, 9130, 15670, 17237, 18260, 31340, 34474, 68948, 86185, 130061, 172370, 260122, 344740, 520244, 650305, 1300610, 1430671, 2601220, 2861342, 5722684, 7153355, 14306710, 28613420]

約数ペア:

[(1, 28613420), (2, 14306710), (4, 7153355), (5, 5722684), (10, 2861342), (11, 2601220), (20, 1430671), (22, 1300610), (44, 650305), (55, 520244), (83, 344740), (110, 260122), (166, 172370), (220, 130061), (332, 86185), (415, 68948), (830, 34474), (913, 31340), (1567, 18260), (1660, 17237), (1826, 15670), (3134, 9130), (3652, 7835), (4565, 6268)]