128536420

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^2\times {\mathrm{12149}}^1$

素因数の和:12204

約数の個数: 36

約数和(自身を含む): 282195900

約数和(自身を除く): 153659480

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 529, 1058, 2116, 2645, 5290, 10580, 12149, 24298, 48596, 60745, 121490, 242980, 279427, 558854, 1117708, 1397135, 2794270, 5588540, 6426821, 12853642, 25707284, 32134105, 64268210, 128536420]

約数ペア:

[(1, 128536420), (2, 64268210), (4, 32134105), (5, 25707284), (10, 12853642), (20, 6426821), (23, 5588540), (46, 2794270), (92, 1397135), (115, 1117708), (230, 558854), (460, 279427), (529, 242980), (1058, 121490), (2116, 60745), (2645, 48596), (5290, 24298), (10580, 12149)]