252156680

素因数分解:

$2^3\times 5^1\times {\mathrm{409}}^1\times {\mathrm{15413}}^1$

素因数の和:15833

約数の個数: 32

約数和(自身を含む): 568776600

約数和(自身を除く): 316619920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 409, 818, 1636, 2045, 3272, 4090, 8180, 15413, 16360, 30826, 61652, 77065, 123304, 154130, 308260, 616520, 6303917, 12607834, 25215668, 31519585, 50431336, 63039170, 126078340, 252156680]

約数ペア:

[(1, 252156680), (2, 126078340), (4, 63039170), (5, 50431336), (8, 31519585), (10, 25215668), (20, 12607834), (40, 6303917), (409, 616520), (818, 308260), (1636, 154130), (2045, 123304), (3272, 77065), (4090, 61652), (8180, 30826), (15413, 16360)]