8423480

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{167}}^1$

素因数の和:288

約数の個数: 64

約数和(自身を含む): 20744640

約数和(自身を除く): 12321160

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 97, 104, 130, 167, 194, 260, 334, 388, 485, 520, 668, 776, 835, 970, 1261, 1336, 1670, 1940, 2171, 2522, 3340, 3880, 4342, 5044, 6305, 6680, 8684, 10088, 10855, 12610, 16199, 17368, 21710, 25220, 32398, 43420, 50440, 64796, 80995, 86840, 129592, 161990, 210587, 323980, 421174, 647960, 842348, 1052935, 1684696, 2105870, 4211740, 8423480]

約数ペア:

[(1, 8423480), (2, 4211740), (4, 2105870), (5, 1684696), (8, 1052935), (10, 842348), (13, 647960), (20, 421174), (26, 323980), (40, 210587), (52, 161990), (65, 129592), (97, 86840), (104, 80995), (130, 64796), (167, 50440), (194, 43420), (260, 32398), (334, 25220), (388, 21710), (485, 17368), (520, 16199), (668, 12610), (776, 10855), (835, 10088), (970, 8684), (1261, 6680), (1336, 6305), (1670, 5044), (1940, 4342), (2171, 3880), (2522, 3340)]