4211740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{167}}^1$

素因数の和:286

約数の個数: 48

約数和(自身を含む): 9680832

約数和(自身を除く): 5469092

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 97, 130, 167, 194, 260, 334, 388, 485, 668, 835, 970, 1261, 1670, 1940, 2171, 2522, 3340, 4342, 5044, 6305, 8684, 10855, 12610, 16199, 21710, 25220, 32398, 43420, 64796, 80995, 161990, 210587, 323980, 421174, 842348, 1052935, 2105870, 4211740]

約数ペア:

[(1, 4211740), (2, 2105870), (4, 1052935), (5, 842348), (10, 421174), (13, 323980), (20, 210587), (26, 161990), (52, 80995), (65, 64796), (97, 43420), (130, 32398), (167, 25220), (194, 21710), (260, 16199), (334, 12610), (388, 10855), (485, 8684), (668, 6305), (835, 5044), (970, 4342), (1261, 3340), (1670, 2522), (1940, 2171)]