27885520

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{26813}}^1$

素因数の和:26839

約数の個数: 40

約数和(自身を含む): 69823656

約数和(自身を除く): 41938136

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 26813, 53626, 107252, 134065, 214504, 268130, 348569, 429008, 536260, 697138, 1072520, 1394276, 1742845, 2145040, 2788552, 3485690, 5577104, 6971380, 13942760, 27885520]

約数ペア:

[(1, 27885520), (2, 13942760), (4, 6971380), (5, 5577104), (8, 3485690), (10, 2788552), (13, 2145040), (16, 1742845), (20, 1394276), (26, 1072520), (40, 697138), (52, 536260), (65, 429008), (80, 348569), (104, 268130), (130, 214504), (208, 134065), (260, 107252), (520, 53626), (1040, 26813)]