4247620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^2$

素因数の和:101

約数の個数: 72

約数和(自身を含む): 10509912

約数和(自身を除く): 6262292

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 31, 34, 52, 62, 65, 68, 85, 124, 130, 155, 170, 221, 260, 310, 340, 403, 442, 527, 620, 806, 884, 961, 1054, 1105, 1612, 1922, 2015, 2108, 2210, 2635, 3844, 4030, 4420, 4805, 5270, 6851, 8060, 9610, 10540, 12493, 13702, 16337, 19220, 24986, 27404, 32674, 34255, 49972, 62465, 65348, 68510, 81685, 124930, 137020, 163370, 212381, 249860, 326740, 424762, 849524, 1061905, 2123810, 4247620]

約数ペア:

[(1, 4247620), (2, 2123810), (4, 1061905), (5, 849524), (10, 424762), (13, 326740), (17, 249860), (20, 212381), (26, 163370), (31, 137020), (34, 124930), (52, 81685), (62, 68510), (65, 65348), (68, 62465), (85, 49972), (124, 34255), (130, 32674), (155, 27404), (170, 24986), (221, 19220), (260, 16337), (310, 13702), (340, 12493), (403, 10540), (442, 9610), (527, 8060), (620, 6851), (806, 5270), (884, 4805), (961, 4420), (1054, 4030), (1105, 3844), (1612, 2635), (1922, 2210), (2015, 2108)]