64818025

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{349}}^1$

素因数の和:418

約数の個数: 48

約数和(自身を含む): 93744000

約数和(自身を除く): 28925975

約数列:

[1, 5, 17, 19, 23, 25, 85, 95, 115, 323, 349, 391, 425, 437, 475, 575, 1615, 1745, 1955, 2185, 5933, 6631, 7429, 8027, 8075, 8725, 9775, 10925, 29665, 33155, 37145, 40135, 112727, 136459, 148325, 152513, 165775, 185725, 200675, 563635, 682295, 762565, 2592721, 2818175, 3411475, 3812825, 12963605, 64818025]

約数ペア:

[(1, 64818025), (5, 12963605), (17, 3812825), (19, 3411475), (23, 2818175), (25, 2592721), (85, 762565), (95, 682295), (115, 563635), (323, 200675), (349, 185725), (391, 165775), (425, 152513), (437, 148325), (475, 136459), (575, 112727), (1615, 40135), (1745, 37145), (1955, 33155), (2185, 29665), (5933, 10925), (6631, 9775), (7429, 8725), (8027, 8075)]