8495240

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^2$

素因数の和:103

約数の個数: 96

約数和(自身を含む): 22521240

約数和(自身を除く): 14026000

約数列:

[1, 2, 4, 5, 8, 10, 13, 17, 20, 26, 31, 34, 40, 52, 62, 65, 68, 85, 104, 124, 130, 136, 155, 170, 221, 248, 260, 310, 340, 403, 442, 520, 527, 620, 680, 806, 884, 961, 1054, 1105, 1240, 1612, 1768, 1922, 2015, 2108, 2210, 2635, 3224, 3844, 4030, 4216, 4420, 4805, 5270, 6851, 7688, 8060, 8840, 9610, 10540, 12493, 13702, 16120, 16337, 19220, 21080, 24986, 27404, 32674, 34255, 38440, 49972, 54808, 62465, 65348, 68510, 81685, 99944, 124930, 130696, 137020, 163370, 212381, 249860, 274040, 326740, 424762, 499720, 653480, 849524, 1061905, 1699048, 2123810, 4247620, 8495240]

約数ペア:

[(1, 8495240), (2, 4247620), (4, 2123810), (5, 1699048), (8, 1061905), (10, 849524), (13, 653480), (17, 499720), (20, 424762), (26, 326740), (31, 274040), (34, 249860), (40, 212381), (52, 163370), (62, 137020), (65, 130696), (68, 124930), (85, 99944), (104, 81685), (124, 68510), (130, 65348), (136, 62465), (155, 54808), (170, 49972), (221, 38440), (248, 34255), (260, 32674), (310, 27404), (340, 24986), (403, 21080), (442, 19220), (520, 16337), (527, 16120), (620, 13702), (680, 12493), (806, 10540), (884, 9610), (961, 8840), (1054, 8060), (1105, 7688), (1240, 6851), (1612, 5270), (1768, 4805), (1922, 4420), (2015, 4216), (2108, 4030), (2210, 3844), (2635, 3224)]