2018760025

素因数分解:

$5^2\times {\mathrm{23}}^1\times {\mathrm{149}}^1\times {\mathrm{23563}}^1$

素因数の和:23745

約数の個数: 24

約数和(自身を含む): 2629742400

約数和(自身を除く): 610982375

約数列:

[1, 5, 23, 25, 115, 149, 575, 745, 3427, 3725, 17135, 23563, 85675, 117815, 541949, 589075, 2709745, 3510887, 13548725, 17554435, 80750401, 87772175, 403752005, 2018760025]

約数ペア:

[(1, 2018760025), (5, 403752005), (23, 87772175), (25, 80750401), (115, 17554435), (149, 13548725), (575, 3510887), (745, 2709745), (3427, 589075), (3725, 541949), (17135, 117815), (23563, 85675)]