25293320

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{383}}^1$

素因数の和:534

約数の個数: 64

約数和(自身を含む): 61931520

約数和(自身を除く): 36638200

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 127, 130, 254, 260, 383, 508, 520, 635, 766, 1016, 1270, 1532, 1651, 1915, 2540, 3064, 3302, 3830, 4979, 5080, 6604, 7660, 8255, 9958, 13208, 15320, 16510, 19916, 24895, 33020, 39832, 48641, 49790, 66040, 97282, 99580, 194564, 199160, 243205, 389128, 486410, 632333, 972820, 1264666, 1945640, 2529332, 3161665, 5058664, 6323330, 12646660, 25293320]

約数ペア:

[(1, 25293320), (2, 12646660), (4, 6323330), (5, 5058664), (8, 3161665), (10, 2529332), (13, 1945640), (20, 1264666), (26, 972820), (40, 632333), (52, 486410), (65, 389128), (104, 243205), (127, 199160), (130, 194564), (254, 99580), (260, 97282), (383, 66040), (508, 49790), (520, 48641), (635, 39832), (766, 33020), (1016, 24895), (1270, 19916), (1532, 16510), (1651, 15320), (1915, 13208), (2540, 9958), (3064, 8255), (3302, 7660), (3830, 6604), (4979, 5080)]